PDF malware analysis — malicious · 8001c829f2286cdb

MALICIOUS

PDF

82.1 KB Created: 2021-09-05 00:29:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14

MD5: d132543885f111a734e821c0875ba447 SHA-1: f67a4e0d01a718535d5402085565847e373ec77f SHA-256: 8001c829f2286cdbbc35e9815d26856b0b485674bab68155e20349620ea7de71

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The file is identified as a PDF containing a link farm, with multiple URLs pointing to potentially compromised WordPress upload directories. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent. While no scripts were directly extracted, the structure suggests it's designed to lure users into clicking links that likely lead to phishing pages or malware downloads.

Machine Learning

Nyx PDF Classifier clean score 0.1297

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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
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 http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075fee392748---89644716961.pdf In PDF document text
- http://degeninhotel.ru/admin/ckfinder/userfiles/files/pipajivezixalere.pdfIn PDF document text
- https://digireg.si/upload/28596131068.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ab893575122---guvix.pdfIn PDF document text
- http://nbpcpentecostalchurch.com/clients/65183/File/17906735418.pdfIn PDF document text
- http://fxmeat.com/upload/file/ca2117e45911147bd377ed03475b74f7.pdfIn PDF document text
- http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/99018286529.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9a0c05964---xiworenesixor.pdfIn PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/gakosunawugi.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/11d73f031c1315199898472ab6b411d0/divatusuwunaditosepewepat.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7029734182---gopovonuzazizuk.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/pitutuvubepiruxi.pdfIn PDF document text
- http://noithatsah.com/webroot/img/files/tunarikibunul.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/g8j0o5nq33c0ht85p4rsdgjid2/mubanudesovit.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/4077674361.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/ed6e413ad76b6466b050ed600d261f61/lisibezuzebamajijinu.pdfIn PDF document text
- http://salt17.com/userfiles/files/26885059626.pdfIn PDF document text
- http://elsekmont.eu/userfiles/file/xefimaxikunob.pdfIn PDF document text
- https://aljazeerahdrilling.com/userfiles/files/nebimasobexamosu.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16088fd5daa250---2269562709.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/amul73d2iefo5u5dvegei909h5/57346288297.pdfIn PDF document text
- http://limeitec.com/upfiles/editor/files/72237231058.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=the+kreutzer+sonata+and+other+short+stories+pdfPDF link annotation
- 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_off0000e5a5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE5A5	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000fdb7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFDB7	17636 bytes
SHA-256: `b67735f718129f066b31a5e4cb8ae3aadee0249e6ae12b410d0bae804e30d673`
`font_02_sfnt_off00012af9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12AF9	10764 bytes
SHA-256: `2fab22f0c381e4e55355403aa1b9c36c7f207a5c3944dabf70fcacf3200da1ee`

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