Malicious PDF — malware analysis report

Static analysis result for SHA-256 e081cde2a9b241e1…

MALICIOUS

PDF

39.1 KB Created: 2020-08-09 20:56:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bca5d7d2cbd946be73401cf4476fd845 SHA-1: fbcbc01107a27e20d31cceb3bcf39c330763ce5c SHA-256: e081cde2a9b241e1a299c0cffe5633ac74bdf4aa9d12782d6a4f39f252386098
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=join+pdf+files+command+line'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0434/8785/4749/files/baraxanagaxilabip.pdf'. The document body, though heavily obfuscated, contains references to these URLs, suggesting an attempt to disguise malicious activity under a plausible pretext.

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.cc/pify?keyword=join+pdf+files+command+line In PDF document text
    • http://files.diamondlodge83.com/uploads/1/3/2/3/132303163/a7a51d6403f835.pdfIn PDF document text
    • http://files.global-banking.net/uploads/1/3/0/7/130738725/xaserikun_tomojosovorak.pdfIn PDF document text
    • http://tetod.mrgroucho.com/uploads/1/3/1/6/131606289/bad8c5.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/1/0434/8785/4749/files/baraxanagaxilabip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4065/2960/files/33292122448.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9367/1588/files/abscesso_dentrio_tratamento.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8860/0478/files/gibenebazir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0292/1123/files/51466063106.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9508/1635/files/40239485813.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1390/6333/files/dictionnaire_technique_electronique_anglais_francais_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7281/4245/files/mofogo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1237/4174/files/kiwaribopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8180/1629/files/80879671007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7301/0850/files/69486285378.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 4

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_off00005ae0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AE0 5196 bytes
SHA-256: 06bed1dae9322f21539b1e14b0ecade8fa1fe02acd9f92c893f3d52cc7bdcdff
font_01_sfnt_off00006c81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C81 10300 bytes
SHA-256: 6997c698db6b8c7592f97ac87ddd59eadc66bdb7e06c5bccf04957befff629cc

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