Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e641680f24bc5c5…

MALICIOUS

PDF

138.4 KB Created: 2020-08-03 05:31:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 08ca0a832447536878cf604ae558a77f SHA-1: a920f78ab4af264991c84ed90c892a41d27807e8 SHA-256: 7e641680f24bc5c58ae38d647a365b250560274b2fac4e22a03a97d95ac318b9
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL is https://ttraff.cc/pify?keyword=%25D0%25B8%25D0%25B3%25D1%2580%25D0%25B0%25D1%2582%25D1%258C+%25D0%25B2+%25D0%25BF%25D0%25B0%25D1%2581%25D1%258C%25D1%258F%25D0%25BD%25D1%2581+%25D0%25BF%25D0%25B0%25D1%2583%25D0%25BA, which is flagged as malicious. This indicates the document is designed to lead users to potentially harmful websites, likely for phishing or to download further malware. No scripts were extracted, but the structure and embedded URLs strongly suggest malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=%25D0%25B8%25D0%25B3%25D1%2580%25D0%25B0%25D1%2582%25D1%258C+%25D0%25B2+%25D0%25BF%25D0%25B0%25D1%2581%25D1%258C%25D1%258F%25D0%25BD%25D1%2581+%25D0%25BF%25D0%25B0%25D1%2583%25D0%25BA In PDF document text
    • http://files.atlanticcoastproductions.com/uploads/1/3/0/8/130813710/wemovererobeg_rukokitejotemer_kanamivezireg_dinuwutap.pdfIn PDF document text
    • http://files.michaeljacksonsoulwarrior.com/uploads/1/3/0/8/130814208/kaxojexijutepu.pdfIn PDF document text
    • http://files.vibrationsforlife.com/uploads/1/3/0/8/130874598/8725459.pdfIn PDF document text
    • http://files.cagaragedoorrepair.com/uploads/1/3/1/4/131406507/piluxajogigow-kewafatabot-nepugaja-wewuki.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/1/0428/9835/8432/files/miveguxuxububepevomozit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0667/3575/files/nuzifofexupufusoviwomip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3484/5079/files/zelibagefakevufexipik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2140/9184/files/lujovatovomuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0740/9310/files/33073353275.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7418/1537/files/rimedigijuva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2177/7570/files/logigokuvabafenuzegoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5222/1091/files/kotedaxukejexadozotudox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pedarivorenali.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1478/2103/files/mijama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9963/4326/files/hardened_spring_wow.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001c830.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C830 4616 bytes
SHA-256: 3290d7fcd24f5185a0c97d318bd3a99a25a49fe4ad182950d5d66e4ad18ac031
font_01_sfnt_off0001d7e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D7E6 16756 bytes
SHA-256: db47dc4b768d64c83da2ebee3e7e916e038e0230fd832c8a59a48f9cde199abf
font_02_sfnt_off00020b94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20B94 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f