Malicious PDF — malware analysis report

Static analysis result for SHA-256 78b6e94275d26601…

MALICIOUS

PDF

45.3 KB Created: 2020-09-28 17:56:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b641b0b45e953c1275422b5892191013 SHA-1: 2661b636b5d41aad4acf3e6947424e768fc7841f SHA-256: 78b6e94275d26601b8a8c1a7ddd8b83b45052a7da1556910373570638d517dab
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to external websites, many of which are identified as malicious redirectors or part of an SEO link farm designed to distribute content. The embedded URLs, such as 'https://gettraff.ru/mozel?keyword=bharatanatyam+adavus+pdf', are indicative of a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and link farm heuristics strongly suggest an attempt to redirect users to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://gettraff.ru/mozel?keyword=bharatanatyam+adavus+pdf In PDF document text
    • http://files.willowbowmassage.com/uploads/1/3/0/8/130813757/nutakowino.pdfIn PDF document text
    • http://xapip.johncobbphotography.com/uploads/1/3/2/6/132695471/3496545.pdfIn PDF document text
    • http://files.breedingforthefuture.com/uploads/1/3/2/6/132681566/sutavumuz.pdfIn PDF document text
    • http://doziwo.maddiehulsman.com/uploads/1/3/1/4/131437089/97ed53df.pdfIn PDF document text
    • http://kaferok.annetrauben.com/uploads/1/3/0/7/130739956/zifer.pdfIn PDF document text
    • http://files.peacetotheplanet.org/uploads/1/3/2/6/132683328/viwatudiremuj.pdfIn PDF document text
    • http://files.childproofingcolorado.com/uploads/1/3/2/6/132682989/440909dd0fea.pdfIn PDF document text
    • http://karazuf.phyllis-kirk.com/uploads/1/3/0/8/130874002/2abe23f123f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1594/6911/files/pamifajurutejapuxejoxapad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/1425/4502/files/29592255402.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4379/6645/files/contrato_de_consignacion_word.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5165/4047/files/mekosapiw.pdfIn PDF document text
    • https://6edba398-d2ff-4919-b99c-14319d9ea2be.filesusr.com/ugd/c722c2_96df3ed7ae90405f8570a4b45368c93b.pdf?index=trueIn PDF document text
    • https://f937427b-c6b8-41ac-9d03-7f8267ba20a5.filesusr.com/ugd/d1d005_3f5b71952534464fb086ce4aec4b42a4.pdf?index=trueIn 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 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_off00005fa4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA4 5460 bytes
SHA-256: 325f176b270e47351ab9586e6d8c643673b90bd16a900fb206345d98c0016f2d
font_01_sfnt_off0000721d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x721D 10584 bytes
SHA-256: 71a88f48d6a6b49b090b2814aab841b17cbf329f55dd1b199e5bbd4ab6e07ffd
font_02_sfnt_off00009578.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9578 5288 bytes
SHA-256: d17f3b21950f6e9da176acd54a1e880fb41f875d94f49a18c9866dfc6bc2243a

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