Malicious PDF — malware analysis report

Static analysis result for SHA-256 1294337dcfc4d94f…

MALICIOUS

PDF

48.7 KB Created: 2020-07-31 15:12:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 05ceeeb2f0cc5a3e1ff04b419953d707 SHA-1: ed9ee2aa2ba03f0a4988022bd69efe96608b843a SHA-256: 1294337dcfc4d94f671ee4bc19bdbdefd1954e364dcc19a45a0b6a9056ed0a33
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.ru) identified as malicious. The document body, though heavily obfuscated, suggests a lure related to 'Djpunjab punjabi song' and is associated with a link farm heuristic, indicating an attempt to drive traffic to malicious sites. 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=djpunjab+punjabi+song In PDF document text
    • http://files.stpiusxtucsonyouth.com/uploads/1/3/1/4/131452735/suzod-refikopisimep-fasadi-lugagonezuda.pdfIn PDF document text
    • http://files.wardahhannan.com/uploads/1/3/1/3/131384424/xorow-wasujezagaro-safozodoxuletuw.pdfIn PDF document text
    • http://files.serafinureno.com/uploads/1/3/0/8/130813796/178962.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/1/0435/8527/4024/files/falaxamuluwikemeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6957/0198/files/rawizijevipusivid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8604/4570/files/jovorivirigizemivu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4273/4237/files/lebowurijoxokovif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1420/7134/files/sivimilukanodosome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8886/2614/files/33546362823.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3508/0342/files/bivupa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5042/5750/files/dofog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7007/0687/files/62061092470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7159/4911/files/80202137224.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4306/0901/files/dinobadipivixenasatasavaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7947/6134/files/23295531556.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0094/5048/files/ninizaroranukonugol.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 5

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_off000077bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77BF 4756 bytes
SHA-256: 3a5fe45a3c1ab2eaa6e4786fc447733dfabcdc7a2453f5612e1592774934f079
font_01_sfnt_off000087ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87ED 14064 bytes
SHA-256: 421ba4f5ae03342b0392c0c493a7e88f08d39115b859b5abed5ff5d8c9ad699e

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