Malicious PDF — malware analysis report

Static analysis result for SHA-256 89d22f1aabbdf525…

MALICIOUS

PDF

44.7 KB Created: 2020-08-14 19:41:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 806ad34539c3663063698f875dec57a1 SHA-1: 4f753cc1e04da390097e76672eebf20ab03c56cc SHA-256: 89d22f1aabbdf52594620b011a3b042550f8f14d32c28e01dc56f7085bcd4c4c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, a technique often used to create link farms for SEO manipulation or to distribute malicious content. One of the extracted URLs, 'https://ttraff.ru/pify?keyword=cablevision+altice+information+channel', is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to potentially harmful sites, possibly for phishing or malware delivery.

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=cablevision+altice+information+channel In PDF document text
    • http://files.dkgalphalambda.com/uploads/1/3/0/7/130775911/vikomozepinipo-vafelap.pdfIn PDF document text
    • http://files.lindaepix.com/uploads/1/3/1/8/131856883/kazazina.pdfIn PDF document text
    • http://files.wingsofmercyart.com/uploads/1/3/1/0/131070231/1ce630ae6bc8ad1.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/1/0435/5755/2277/files/bitixopekov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4190/7110/files/hitachi_cutting_tools_catalog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1756/0473/files/81132028569.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8454/6209/files/x86-_64_assembly_cheat_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/4033/0148/files/manual_skype_for_business.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0195/3952/files/prolapso_del_cordon_umbilical.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4827/1014/files/97529318928.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0765/3526/files/najebelujubanivozukamof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4130/8320/files/fuxexalevigapolosimabi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5217/9364/files/gevirebojavet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6416/4506/files/18031346737.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_off00007005.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7005 5224 bytes
SHA-256: fc47b54b68e3a7b6fc4e4dad907da1b3ba859f75bc783eb87f92109d305b7d62
font_01_sfnt_off000081a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81A6 10608 bytes
SHA-256: 55cb062284c03b4814c3d6771a66c718c3bcb1fdc8f8230e9af48e146b79477f

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