Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fa1ab494f9ea23b…

MALICIOUS

PDF

46.3 KB Created: 2020-08-23 19:38:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8117d17b71fc86a7fb289b0de92efe76 SHA-1: 89d66771f8b4306cd441c0afeba021fa64232b74 SHA-256: 6fa1ab494f9ea23b0d714db2981adc7486eacd34853106303a4ba94036a3c05e
162 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs, with a critical heuristic identifying a link to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=carwale+game++please'. The document body, though heavily obfuscated, contains text fragments suggesting a lure related to games or manuals, aligning with the SEO link farm heuristic. The ML classifier strongly indicates maliciousness, supporting the conclusion that this PDF is designed to redirect users to malicious sites.

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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=carwale+game++please In PDF document text
    • http://files.yecsonline.org/uploads/1/3/1/4/131453536/a6e1114.pdfIn PDF document text
    • http://files.beautifulcardcompany.com/uploads/1/3/0/8/130814926/verolasibufagu_bizidomusoru.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://cdn.shopify.com/s/files/1/0431/6826/8456/files/club_car_ds_service_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7405/9426/files/44657640590.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7079/9510/files/jobobikikisasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1021/8391/files/xoruvaziravo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7278/1478/files/gitetelexozagosepexasumus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0497/6548/files/amtrak_wolverine_schedule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0459/2658/0375/files/nice_hypertension_guidelines_2011.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1832/0034/files/nubibolupazurufekaril.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8858/4605/files/64371208084.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8566/9279/files/67812174859.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 7

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_off00006cce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CCE 4700 bytes
SHA-256: e8d99044e596f81a6d8f19034834eb89e2e8cf5f19640f9d423514cf8726cb53
font_01_sfnt_off00007cd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CD3 9888 bytes
SHA-256: 668c3a4b0ec79c31e65ea47f9bd54593758d4cacbba99c49b988a28af27aca11
font_02_sfnt_off00009eb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9EB1 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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