Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c6acdf2ff7cf0cb…

MALICIOUS

PDF

45.5 KB Created: 2020-09-12 10:43:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 26c0b052a16062d2387ca24e2c43b3da SHA-1: 6523a685b4e32de839d4b9848420fae79eaf82f9 SHA-256: 3c6acdf2ff7cf0cb8c874f132a28d240cb2d22423826eaa34b4bd830e8b1cc6a
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to a budget planner template, suggesting a social engineering lure. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be directing the user to a malicious URL via a deceptive document.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://ttraff.link/wix?keyword=household+budget+planner+template+australia In PDF document text
    • http://salivi.routines.online/uploads/1/3/0/8/130874600/torozego-dimogijuzuka-dofidaremumalat-tobojezires.pdfIn PDF document text
    • http://lekago.thechaneymanorbb.com/uploads/1/3/2/7/132740405/8659951.pdfIn PDF document text
    • http://files.ellijayhideaway.com/uploads/1/3/0/8/130873717/jakoluko.pdfIn PDF document text
    • http://bazej.teamworkexcellence.com/uploads/1/3/1/8/131856408/43be39d32b8a127.pdfIn PDF document text
    • http://files.leisureworldtours.net/uploads/1/3/1/3/131379639/lawibunetut-nuzevivunolon-bijegukuzepow.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://static.usrfiles.com/ugd/35e1ce_20b50e4f5a1042b69dc19659f9aa3511.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/fb83f1_f8e56d2e2f5a40f29caa021e0f28ecf6.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/07ef24_d585920cb0ae47828d8831070938b5a0.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/ae059d_1b90270922fc4d6d864d9b8b93efb323.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://scripts.sil.org/OFLIn PDF document text

Related samples 5

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_off000065ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65BA 5356 bytes
SHA-256: 2c23534f25cd49af067507e11cfcf216cecdcd08cd7081e7054d0380093f4fef
font_01_sfnt_off000077b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77B0 10300 bytes
SHA-256: 821cb94881285d0fe12a9f72d82139c012614b4285a1487fbef2c8d5fbb0d84b
font_02_sfnt_off00009ace.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9ACE 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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