Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d96ea015cd0a359…

MALICIOUS

PDF

55.1 KB Created: 2020-07-28 17:49:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6102a72720a0a28d63d3bbd83ea0a12b SHA-1: cb8dc416d36ea7e498f26ba2f4bdf2b3bd085fb4 SHA-256: 9d96ea015cd0a359110cff05ca30b077ab2ea3aa1ffaed4fe7cb32b8dfe051e2
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one heuristic specifically identifying a malicious redirector at 'ttraff.com'. Another heuristic indicates a mass external PDF link farm, with 'cdn.shopify.com' being a dominant host. The document body, though heavily obfuscated, appears to be a lure related to a book title, suggesting a phishing or malware delivery attempt.

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.com/pify?keyword=el+anarquista+y+otros+relatos+pdf In PDF document text
    • http://files.hungerfightersoregon.org/uploads/1/3/1/0/131071277/vozepamijujusi.pdfIn PDF document text
    • http://files.hazelrosegibson.com/uploads/1/3/1/6/131606325/lewazosuzepodawud.pdfIn PDF document text
    • http://files.jariosvega.com/uploads/1/3/0/7/130775672/acde0.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/1/0430/3529/5905/files/dekodip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6237/7113/files/nalotis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2371/9845/files/xusupolevuliminogolikeba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9931/6639/files/88100650077.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6946/3959/files/ribukimetarokavuvudemafo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3785448733.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5013/8784/files/zolotidisaxosa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1392/2206/files/filenugivox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0319/0181/files/wipinidasasopemuj.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007b99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B99 5104 bytes
SHA-256: bebbce3c87d13cb3e26f5657a00c74374522a550fa910f76b1cc8ab243807d9a
font_01_sfnt_off00008cff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CFF 1980 bytes
SHA-256: 4b509282131fd9e4a1469306b28cb49a923f3200c231789adb598c433e112531
font_02_sfnt_off000095d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95D7 10808 bytes
SHA-256: 77aab6fc0333f52d9b85a972a8d8391130e29632f97d710754f361fd086e42ab
font_03_sfnt_off0000b94f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB94F 16224 bytes
SHA-256: 7186dee91f03ca8da3905a8f70552699c0601a825ad8e1fd8774930d369dcbc9

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