Malicious PDF — malware analysis report

Static analysis result for SHA-256 6afbf945a174ca32…

MALICIOUS

PDF

40.7 KB Created: 2020-08-04 14:52:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6c5ad1bfc155e701ad24f8272f60a12c SHA-1: cb3e83a31831c6135da7bd370c552da3dd46d38e SHA-256: 6afbf945a174ca32f2bd0c1a822f2023d202c477edb38030e6e5adeda0e7939e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm designed to improve SEO for malicious content. One prominent link redirects through 'ttraff.com', a known malicious redirector, to a PDF file. This suggests a phishing or scam attempt where the document serves as a lure to drive traffic to malicious infrastructure.

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=sepse+neonatal+2020+pdf In PDF document text
    • http://zuxinak.heatherscustommeats.com/uploads/1/3/1/3/131383648/sivabafexexa_muzofapomos_najokilufexoroz.pdfIn PDF document text
    • http://files.brunswicktravelbasketball.com/uploads/1/3/2/8/132814030/fd3813.pdfIn PDF document text
    • http://files.406cavoodles.com/uploads/1/3/0/7/130775892/tefigekusugen.pdfIn PDF document text
    • http://kekaguga.ask-noodles.com/uploads/1/3/0/7/130776760/xovimogi.pdfIn PDF document text
    • http://files.bearvalleymensministry.com/uploads/1/3/1/4/131484395/305540c096.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/1/0431/7003/7917/files/senow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9222/9797/files/zovajajivamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8317/7887/files/63038508247.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5058/2684/files/90607161731.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3799/0818/files/88898863091.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2945/5271/files/buwozabevuked.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4168/5665/files/dallas_cowboys_cheerleaders_salary_2016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7947/6134/files/lufulejiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4317/6091/files/die_dreigroschenoper.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5199/7592/files/boretuminabizunaxuni.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 5

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_off00006188.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6188 5316 bytes
SHA-256: 6592216a76db8a93dd255602586c1ec9bf941646892334becc8f9cf3b229be62
font_01_sfnt_off000073b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73B1 10148 bytes
SHA-256: a3696f9391c9e0799896af3f2d8b9df34915c6f7d888409c61c66d568e00f98d

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