Malicious PDF — malware analysis report

Static analysis result for SHA-256 854be2d3cb0a1f26…

MALICIOUS

PDF

35.8 KB Created: 2020-08-02 07:34:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3e25e370aaf11fb79045c920c1dc0ab7 SHA-1: 66d54889aa68566b9fd0bd8eb072808a58b6d27a SHA-256: 854be2d3cb0a1f263dd5681ca40584dcc9042a475529fc1f43486a0a8b37da9f
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many of which point to a redirector service that is flagged as malicious. The document body and heuristics indicate a lure for a "white collar season 6 torrent" to trick users into clicking the malicious link. The ML classifier strongly supports the malicious nature of this PDF.

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.cc/pify?keyword=white+collar+season+6+torrent In PDF document text
    • http://files.fauxmesticgoddess.com/uploads/1/3/1/8/131856381/gevaxil.pdfIn PDF document text
    • http://files.maisyandlolarentals.com/uploads/1/3/2/7/132740307/1963205.pdfIn PDF document text
    • http://files.pandagazette.com/uploads/1/3/2/6/132682338/be07bf8.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/1/0435/6341/7759/files/11837017947.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0323/9840/files/heap_implementation_in_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3655/7987/files/the_respect_principle_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4185/7448/files/miresewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4630/4920/files/50866735482.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/kulunov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69143450337.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4396/1504/files/73695171730.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7014/4166/files/74287742421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/93754742424.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1671/6437/files/zowodajaniwiveri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3243/7158/files/bomiziponowegiso.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_off00004cfe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CFE 5052 bytes
SHA-256: 34a6fb9f1668023047d5d956f7256fa1ffc1787ab3202e4b27b3299172b2ab17
font_01_sfnt_off00005e38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E38 10580 bytes
SHA-256: e946051cf58c1748e9fabd104e481aad64131ba33e07947d6225a4d489935d14

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