Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dd5d6fbf62ce734…

MALICIOUS

PDF

42.5 KB Created: 2020-08-11 21:22:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7e98fafb69a9660f18804f3f0e9c2d55 SHA-1: 935caea74fd122634ff30a9ceade04f04a70c316 SHA-256: 0dd5d6fbf62ce734eab0663802e04b5cd701388236098f71bbe470ad1e7ef8bd
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a primary redirector identified as `https://ttraff.com/pify?keyword=3rd+conditional+speaking+activities+pdf`. This redirector is part of a link farm strategy, pointing to a large number of other PDF files hosted on Shopify. The ML classifier strongly indicates maliciousness, and the overall structure suggests a phishing or malware distribution campaign leveraging SEO techniques to disguise malicious links.

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.com/pify?keyword=3rd+conditional+speaking+activities+pdf In PDF document text
    • http://files.dstudiopro.com/uploads/1/3/1/4/131407138/zotepuj.pdfIn PDF document text
    • http://files.wakefieldperformingarts.com/uploads/1/3/1/4/131437423/b65388ebed.pdfIn PDF document text
    • http://files.ecobodywork.com/uploads/1/3/0/7/130739490/bd174.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/1/0428/6640/9639/files/bisarikafobukeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2745/6419/files/jodelabusuxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8644/6746/files/lekakujoresuxinon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40323832667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6073/1808/files/vogulesixoraduwufeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9816/7713/files/bujatenasoruvazuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9313/1425/files/kizebosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7738/5892/files/guwekivugosutomewafi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1139/0115/files/xosemanipa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mutiga.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_off000069bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69BC 5516 bytes
SHA-256: 934db42a8f98638d602b3412eb6b2cd228eef6e234a890c430d9c97b38ddbc52
font_01_sfnt_off00007c8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C8C 9504 bytes
SHA-256: ac0e0d453fbbc4f09df0ddbfbeceb40b6a32ae204c55792527ffe3fec4e1214e

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