PDF malware analysis — malicious · f45472160c4bca6e

MALICIOUS

PDF

77.5 KB Created: 2021-06-30 02:34:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-15

MD5: 866be71fb307cc6464877dd73a7f0db3 SHA-1: fd447837fa75b2826844aa985c26805dd070807e SHA-256: f45472160c4bca6ea7a9703745be06e505ee02209dafc1b6270a720e776274a5

196 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document exhibits characteristics of a phishing or malware distribution campaign, evidenced by numerous links pointing to external sites, many of which are hosted on compromised WordPress installations. The presence of a link to 'lucidareemantenerepavimentifaidate.it' and a URL containing 'the+lighthouse+full+movie+watch+online' suggests a lure to trick users into downloading malicious content. The ML classifier and ClamAV detection further support the malicious nature of this file.

Machine Learning

Nyx PDF Classifier malicious score 0.9943

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK

PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://irlanc.ru/uplcv?utm_term=the+lighthouse+full+movie+watch+online PDF link annotation
- http://simonkuehner.de/gfx/userfiles/files/6417821567.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/9827da5202ca738980069588227c329b/vuviwumakalob.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf9c7a1bd8---76132034120.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097b23f98037---63030895642.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/9179d40496227e7bf6c282b19d36cf57/66288537080.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/262e41066c428b8b40b3e812443e49ed/zajidelomogamokag.pdfIn PDF document text
- https://soudurelauziere.ca/upload/editor/file/gulidira.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160991dfa6c9a9---50519110118.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/0972df86f191118bc41f8e45229c86ef/nigaduboragagemunadozov.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/b69426c3e5b02a8993d924c4865458af/9562306275.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608462ccd2623---98021294326.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/e6f2941571a0be81dc56b220d428dc53/42811183038.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2857e5ae4---20935472136.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3e44228d7---94763782452.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/mff4sncllu3hf5fg665uhr6ua1/3856238556.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087a8d9483fb---17643546472.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071dcc5c33ad---melewekujodanubigojojoxo.pdfIn PDF document text
- http://ned.ru/uploads/files/zovefalanugiduvifuvus.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c56f8649c---nomefaxufizevidawaz.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/54d86cee68e4e356f037d8d5a921076b/gakifojo.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/5e132103254f7d14630f3db71b1fd542/zomusogosirup.pdfIn PDF document text
- http://lucidareemantenerepavimentifaidate.it/userfiles/files/zigerajugafosujipuwebub.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd57174f2be---mafobukaxuwi.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-5/file/4376182913.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/84f90da5458b68faad3e3b3833a1fbad/82910079320.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000cb4b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCB4B	17112 bytes
SHA-256: `1543bac1a030d61a56ce279d7efa59d53a3f9964d2b9865d65f9d7c7c65f0b6c`
`font_01_sfnt_off0000f76c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF76C	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00010f83.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10F83	10896 bytes
SHA-256: `1ba5931c589f2cceb95a574a9af586463be6fa064791c479f3c26d2d92d893fa`

Open this report in the interactive analyzer, or submit your own file for analysis.