Malicious PDF — malware analysis report

Static analysis result for SHA-256 01ea19c7ad830df1…

MALICIOUS

PDF

105.2 KB Created: 2020-08-20 11:49:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d6185bb997388e3303d2fbcc79c17625 SHA-1: 01903294872efbb1cda42fc39e9a61ca58b2b7c9 SHA-256: 01ea19c7ad830df199121ed0245e2a05667aa7861c9ac6163a40779bafd97d27
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one to a known malicious redirector, ttraff.com, which is used to distribute cracked software lures. The document body, though heavily obfuscated, contains references to 'autocad 2007 full crack free' and a URL pointing to the same redirector. The presence of embedded URLs and the ML classifier's high confidence score indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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=autocad+2007+full+crack+free In PDF document text
    • http://files.raphaelvillage.org/uploads/1/3/1/8/131858592/tologenixobifenifi.pdfIn PDF document text
    • http://files.andyknappmusic.com/uploads/1/3/1/0/131070560/170547.pdfIn PDF document text
    • http://xebadaga.dylanhurwitz.com/uploads/1/3/1/6/131636974/da3495.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/1/0434/6822/6725/files/kununosunajevejenidop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2951/8741/files/lozefodudebu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5446/5175/files/5645137956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9790/6589/files/imperativo_categorico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2607/8101/files/limenazamegoteki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1044/9830/files/joyetech_evic_vtwo_mini_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4251/2797/files/47964876868.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001396f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1396F 3212 bytes
SHA-256: d9c0a8ab968be60eeae79898da3d45d40692608b0848a70543de12d7c70dbe36
font_01_sfnt_off000144ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x144ED 4972 bytes
SHA-256: be6f9f77fd341f576fc10e6bc113b0ba8805459eecc7ce99c91ebff85ed3fcb5
font_02_sfnt_off000155f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x155F3 16632 bytes
SHA-256: f8c1def7c06a0b588634c78c8062c39b9e0655794614487eb07419ffe9430b3c
font_03_sfnt_off00018965.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18965 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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