Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d0000d65b518ea2…

MALICIOUS

PDF

43.9 KB Created: 2020-08-07 06:55:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9ebc77db2d440a16bc49d369e52c828f SHA-1: 86a0b2846da0e9791d75fc6b1d9c0b490b90be6f SHA-256: 7d0000d65b518ea201ea4b5fd59aafe8818909a9233420c814209bac105a3814
194 Risk Score

Malware Insights

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

This PDF file contains multiple embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK. The primary malicious URL, https://ttraff.ru/pify?keyword=hygroma+colli+pdf, is identified as a redirector. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a lure for users to click through to potentially malicious content. The ML classifier also strongly flagged this PDF as malicious.

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.ru/pify?keyword=hygroma+colli+pdf In PDF document text
    • http://files.fusiliersheep.ca/uploads/1/3/1/4/131453990/sevarasekaz.pdfIn PDF document text
    • http://files.kittykendall.com/uploads/1/3/1/6/131637679/gedipiputijigode.pdfIn PDF document text
    • http://files.lessonsworthlearning.org/uploads/1/3/0/7/130740202/b2bf0f1ee8bba57.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/1/0427/9389/4044/files/sokegirezuvijere.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6518/6206/files/9336773716.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4054/6714/files/275640124.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4555/9189/files/britney_spears_criminal_russian_cover_mp3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/7195/1268/files/introduction_to_molecular_biophysics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2630/9535/files/dilafuzixisazusaxagaxol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8946/1410/files/noron.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1795/3702/files/76866023430.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8245/7000/files/84675366597.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3142/8248/files/surgical_anatomy_of_larynx.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3786/5637/files/36770252298.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61BA 4844 bytes
SHA-256: 4b3deefb1a0595808ad98fe0a1e378fdf7dbd2fb38931b4159e2472ed936c008
font_01_sfnt_off0000722a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x722A 10292 bytes
SHA-256: 7781c52d21100cde7a321d0d0248285edc3fb3431aef8d639d419f3d4ea3da26
font_02_sfnt_off0000950c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x950C 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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