PDF malware analysis — malicious · 2db14bc76c2a5202

MALICIOUS

PDF

87.5 KB Created: 2021-06-26 03:11:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-14

MD5: 3782f5214f2ae2eea6b72a52a02b3dcd SHA-1: a3582370dc19937178e5b85a3249ac0b4f05fe42 SHA-256: 2db14bc76c2a52023a79b3589ae82443b11359cdb91b86e01f244337514afc02

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links to external websites, many of which are hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to potentially harmful content, likely for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9922

Heuristics 6

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 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://coretry.ru/uplcv?utm_term=hyperactivity+meaning+in+punjabi PDF link annotation
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/3b0d68ff3f57932e038c8241cd1ae649/74033710397.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29afac15e7---49374533241.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/2131741809c4e44e7c163ec8a6fba3be/depepotagoxek.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/e3b0a3fe3196e3b4dcb3af1262afa852/67067673214.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16093f83cadd07---37921595156.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b57572586fe---68004117037.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/6118205778.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/bdfbb3e5a03a5b17408e9e3b8061423b/45486888005.pdfIn PDF document text
- https://sinarwaja.com/account/files/90238099974.pdfIn PDF document text
- http://maristaslardero.es/userfiles/file/9184911865.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a77685e3e43---xuwerex.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160878998a8b91---xuvizuwojabozelobigoviba.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/12592106681.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/g4r5ph7m0lmje1203n2p21f1v8/99882298986.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/deviwasuperuwox.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a684c2d727b---57623562590.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/wotixiwupuxal.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/zawesewet.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c78b12562a---49175528334.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1eaa16756---7880553166.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/70051dbb03f61a417b1a39b117f79050/koxezavosumogegubufogi.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606fddf84001f---lipixupufowu.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160cfcd14a4876---50426756243.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/0ignv1feevkknbr39mm5hv98fj/43693925525.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/94e058848b0a6fea7432ea78b38deb26/vaduxumekigutuwogosif.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000da10.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDA10	16844 bytes
SHA-256: `d5c15512ac0163356e2bf48ddcc8116f62bb4706b2661c9326ba1fc2a7f8896a`
`font_01_sfnt_off0000f23b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF23B	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00010a4d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10A4D	17116 bytes
SHA-256: `b8745bef5b1fa37c8a4a87fa92b9942f41a53893359cc4dd317a7f571601df4d`
`font_03_sfnt_off000136e2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x136E2	10924 bytes
SHA-256: `80090d46ffc2a10f65b19e42cbc53763b8c93836e6a06757f7580203e8b863f1`

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