Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3c07d6c023a8f18…

MALICIOUS

PDF

41.5 KB Created: 2020-08-04 08:17:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 711d4e6b8ab21d1c3426b7e2c8dd53b6 SHA-1: 6e01e9969a0feebd698c531512d985e31b70c23d SHA-256: c3c07d6c023a8f183c65ac66bd2782f82f5f62081fea799743c3460cad81e389
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and topic as the redirector, suggesting a lure for users to click through. The presence of multiple external links, including the malicious one, indicates a link farm or redirection strategy to obscure the final malicious destination. No scripts were extracted from this sample.

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=synonyms+for+writing+task+2+pdf In PDF document text
    • http://files.psubaltimore.org/uploads/1/3/1/4/131483002/8dd5f43776f2.pdfIn PDF document text
    • http://zokiw.sacredrites.earth/uploads/1/3/1/0/131070581/virumovitogawene.pdfIn PDF document text
    • http://files.taupobiblechurch.org.nz/uploads/1/3/0/7/130739143/7933594.pdfIn PDF document text
    • http://files.noticias-today.com/uploads/1/3/0/7/130776521/3725328.pdfIn PDF document text
    • http://files.caywoodhandbook.com/uploads/1/3/0/7/130740571/digivi-laxob.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/1/0427/9985/7823/files/64747379299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3075/8054/files/26375087182.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3203/4976/files/student_council_secretary_speech.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3926/8769/files/43002300543.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8762/5369/files/82789053244.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3686/8762/files/mass_effect_codex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9058/3458/files/venipiniwezifabur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7670/4669/files/zuvovusakipozajitaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2852/7776/files/nelufovalari.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9018/2304/files/54125677538.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6775/2100/files/77963926457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6878/3782/files/amzn_web-_dl.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_off00006556.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6556 5824 bytes
SHA-256: 04174d9ba5e232fc0538c92b6afd737ae8e21fc5ecc32629a347c6c83390c0d1
font_01_sfnt_off00007931.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7931 9404 bytes
SHA-256: 03e5a9aba6a3d193999de1288c076571b36d149036c1c36c21b70a8f1e6ee46f

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