Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e69fef0ca838934…

MALICIOUS

PDF

39.6 KB Created: 2020-08-06 11:51:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 723fd974ef09646678606241c2889bfd SHA-1: af35d3a2991b76fb7023007723d633b5d3c05948 SHA-256: 9e69fef0ca83893487a907a124356ee2b4b6abd447d28119f5414ea6a931725e
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic firing indicates a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=basic+electrical+engineering+pdf+file+download', which is designed to lure users to malicious content. The document body, though heavily obfuscated, contains references to the redirector URL and other benign-looking PDF links, suggesting a link farm or redirection scheme to distribute malware.

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=basic+electrical+engineering+pdf+file+download In PDF document text
    • http://files.juditduran.com/uploads/1/3/1/4/131437724/bijur.pdfIn PDF document text
    • http://files.emotionalfreedomfacelift.net/uploads/1/3/1/6/131637255/bopekulir_sesusut_jezufutumexosa_sitogaloj.pdfIn PDF document text
    • http://files.iamproductionstt.com/uploads/1/3/2/6/132681671/40f7c39a29763c6.pdfIn PDF document text
    • http://files.weirdobooks.com/uploads/1/3/1/0/131070842/gakaz-verumexebuwas.pdfIn PDF document text
    • http://files.alfrescosrestaurantpaihia.com/uploads/1/3/1/4/131408068/5532837.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/1/0430/8402/1921/files/casio_g_shock_watch_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6028/2023/files/mthode_amortissement_dgressif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3197/8403/files/27975059720.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1359/3499/files/57214670582.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4783/6058/files/sikis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8181/7495/files/sublime_text_python_3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/libuzab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8870/6717/files/ohio_bmv_locations.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3695/8106/files/58617670148.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8706/0375/files/50150564121.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_off000059e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59E2 5464 bytes
SHA-256: 6191e39f3e5ad3f6bb8d2556408b5c749782967fbd3345d8a04adb530da8106f
font_01_sfnt_off00006c96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C96 10868 bytes
SHA-256: 33d1c907ae33c90ec578bff023afb9e2fc4784fb77537235b418caf48c22e3df

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