Malicious PDF — malware analysis report

Static analysis result for SHA-256 086d5ae71004098d…

MALICIOUS

PDF

45.7 KB Created: 2020-07-30 19:37:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f4f0222a63f1ef44fa95c60c4be5f190 SHA-1: 90deee94231f9a3494ea5d949d6bdd4391532ceb SHA-256: 086d5ae71004098da7d061677ffd99f1631075b5cfb92cb3b1199bb840476c2a
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 Shopify and appear to be part of an SEO link farm designed to drive traffic to a malicious redirector. The primary redirector URL, 'https://ttraff.ru/pify?keyword=verbs+adjectives+nouns+with+prepositions+list+pdf', is flagged as malicious. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the structure suggests a lure document.

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=verbs+adjectives+nouns+with+prepositions+list+pdf In PDF document text
    • http://files.susanlstraub.com/uploads/1/3/1/4/131438188/bemirirufi.pdfIn PDF document text
    • http://files.columbinepta.org/uploads/1/3/2/6/132695361/3399333.pdfIn PDF document text
    • http://files.boxmouthdesigns.com/uploads/1/3/0/9/130968961/f8235ef50f0af.pdfIn PDF document text
    • http://files.co-oplink.net/uploads/1/3/1/0/131069886/talif_giwawiluset_xotobefubele_rawuzakalibuta.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/1/0430/9581/8397/files/jutas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/matam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xewujixamugovaginebutomo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3892/4181/files/27181400429.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9386/9223/files/migixuruxavusikenup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8180/9558/files/71773658706.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2908/5859/files/68360472492.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6195/3191/files/fufanijulojegumekogu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6890/0006/files/20040390100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4302/8120/files/84863600067.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4844/9686/files/36850298355.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4204/4066/files/32028324588.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2250/0518/files/93202259791.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 8

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_off0000743a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x743A 5460 bytes
SHA-256: cd8e4119ebe67ef9d39c4535bb08e92e9616b39a62e84f9487d3475e5caad23d
font_01_sfnt_off000086d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86D0 10024 bytes
SHA-256: 9f9fbe4a8d14aa4460931d5fdf3a51539ac06862c608c1841a29314263b79eca

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