Malicious PDF — malware analysis report

Static analysis result for SHA-256 42de74d1879c1680…

MALICIOUS

PDF

80.3 KB Created: 2021-06-26 14:55:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 05a3694f9441002c99f1991f860e3911 SHA-1: c8f7fbc54266d0d58bb06ab8f028b4be68573f36 SHA-256: 42de74d1879c1680a907628aad858ed2b9193ebedfe042c7ba33a2cc8de550e9
164 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous URLs pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded URLs are consistent with a phishing lure, likely intended to trick users into downloading further malware or submitting credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

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 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://huntic.ru/uplcv?utm_term=pot+hole+reporting PDF link annotation
    • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8252bc33d---nurapezuxalabanesof.pdfIn PDF document text
    • https://lecapsuledigian.it/file/lavavud.pdfIn PDF document text
    • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac7c72f8a6---badodemubokapakomomomow.pdfIn PDF document text
    • https://nnkcreations.com/userfiles/file/28481665619.pdfIn PDF document text
    • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/1609d5eeee374c---27099214749.pdfIn PDF document text
    • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/4224f796343746cdd33733cd5bd9405d/bobawunolakido.pdfIn PDF document text
    • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160991f12743f3---bekutefo.pdfIn PDF document text
    • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607b034b41ff2---nosakixibegexugaxiduge.pdfIn PDF document text
    • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/40edf636a95d05fd6fe730f1469a78be/jaxegabezit.pdfIn PDF document text
    • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6a34293d0ad7ff6fb5470913ba6326ab/vowovorag.pdfIn PDF document text
    • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acfee54be15---mujekotisazijofomef.pdfIn PDF document text
    • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160749a8e275a4---tubufijegelivexixosaz.pdfIn PDF document text
    • https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/vv8lq0gbmeutdqok0ta1ki5218/dirovelekerid.pdfIn PDF document text
    • http://www.haztartasigepszakuzlet.hu/pics/file/7498173798.pdfIn PDF document text
    • http://videofilm-tv.ru/content/File/62939794872.pdfIn PDF document text
    • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48254b8bfe---35854399022.pdfIn PDF document text
    • http://yjsyrj.com/userfiles/file/51203095084.pdfIn PDF document text
    • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/c332a246ed575ebaf6a18be33e7f4c0f/kotajok.pdfIn PDF document text
    • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d6681376934d675b3391911f39ef2cd8/67684231022.pdfIn PDF document text
    • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/250c6edb1ed0ea0b7ee47a8661d063f6/mazelirukivedepaput.pdfIn PDF document text
    • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9e638b789---47083659293.pdfIn PDF document text
    • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/avtpll007a3o28cvjrunuvbdj9/5378500430.pdfIn PDF document text
    • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/f60a6acad5aa3bc2802f947813194a33/povotazunarokuvebume.pdfIn PDF document text
    • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed6a66ce16---kedibejukavufugemawu.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d9e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9E6 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f1fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1FD 10200 bytes
SHA-256: 99d96ce6df8f837e457f1ad7262347d8d1cd4b98140a1b3cad97e5882575c124
font_02_sfnt_off000108bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108BC 16976 bytes
SHA-256: cf533380756b9a32cb5c760bfd765547c05ab56df67dc0938266a48259b57de6

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