Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dced7e4c764cac1…

MALICIOUS

PDF

123.1 KB Created: 2020-07-30 07:42:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4df4539f27e6067a616150c3b0646f37 SHA-1: b1010c7a7d96a381a36a59547fb2ec4acb1cb363 SHA-256: 7dced7e4c764cac1de0dd4fa28759ced3771d35bf5a3f4136f2a0155cb5a8702
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which are hosted on domains associated with link farms and redirectors, such as 'ttraff.ru'. The ML classifier strongly indicated maliciousness, and the presence of many PDF links suggests an attempt to distribute further malicious content or engage in SEO-based phishing. No scripts were extracted, but the overall structure points to a malicious document distribution scheme.

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://ttraff.ru/pify?keyword=1611+king+james+with+apocrypha+pdf In PDF document text
    • http://files.shoptempus.com/uploads/1/3/0/7/130775432/jarokifotoxabivamilo.pdfIn PDF document text
    • http://files.themaskcaraartist.com/uploads/1/3/1/0/131070030/wegufozoxalodu_somiposogelom.pdfIn PDF document text
    • http://files.camphillvillage5k.org/uploads/1/3/1/8/131857602/6dcd10a67c96.pdfIn PDF document text
    • http://files.seineboatinn.com/uploads/1/3/2/6/132695701/bomadet.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0381/2773/files/28068295732.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9378/6791/files/metonesatedugow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0222/5059/files/65764502340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3735/0293/files/48759571808.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7247/0686/files/mufawirutigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5183/5811/files/getovidajamimevurud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8153/9489/files/19114919119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0425/4615/files/30148743080.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8612/7009/files/rubobig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5417/8216/files/mifejijaxulugibiku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5593/8725/files/73763660391.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7764/8027/files/95266770591.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 3

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00019b6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19B6E 5768 bytes
SHA-256: e853e0b6deacda7900941c5a1900100fc932393c4e9f9452e82cbd3cab2449c6
font_01_sfnt_off0001aef7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AEF7 14200 bytes
SHA-256: bdd044c71589bd1032b586adbd8ae6ab4b3be9f4f5c080daf17c2548389f6930

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