Malicious PDF — malware analysis report

Static analysis result for SHA-256 9620fe7ebc31c686…

MALICIOUS

PDF

45.5 KB Created: 2020-08-03 19:52:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6840b0ebfbf8e6248789e1d0847b5478 SHA-1: 07e78d32ab77cbabf85326b5b3f0b612e900e3e0 SHA-256: 9620fe7ebc31c6861db9cbf26d1d53407272839ac282bb2747e0792c65f7b94c
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure via the URL https://ttraff.ru/pify?keyword=articles+of+association+format+pdf. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution.

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=articles+of+association+format+pdf In PDF document text
    • http://files.manchesterartistsbookfair.com/uploads/1/3/1/4/131483009/6595966.pdfIn PDF document text
    • http://files.just-verandas.com/uploads/1/3/1/3/131379045/xobuxisedujus_wekabod.pdfIn PDF document text
    • http://files.victorheritagesociety.com/uploads/1/3/0/8/130813782/zufef-lakojafifiw-rutejezo-bosexetigomezeb.pdfIn PDF document text
    • http://files.montanaherbalist.com/uploads/1/3/0/7/130776110/ba1d6de3493.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/1/0431/1236/6229/files/benijobelinetixunebibasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9137/6794/files/66484362083.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5385/8472/files/lidazalimevikeluse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3609/0267/files/92876011694.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/raderugimoxerakawax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0757/3157/files/pijolipa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2346/5628/files/58228463860.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6450/9094/files/mufedafutesusekinebup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7406/8390/files/4155714301.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4251/2797/files/mod_rejections_pixelmon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8244/1113/files/34469982943.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9947/0486/files/troy_bilt_bronco_tiller_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0204/4316/files/zokulatidapad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1481/5901/files/2160652391.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_off00007400.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7400 5288 bytes
SHA-256: 0102216fff718e9510573e263228d5fef84c36ed52b8e2b5e98bbb28655a1637
font_01_sfnt_off000085e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85E7 10140 bytes
SHA-256: 921e5f475404c235f54073b174f730259e1039cf8b754f83490cf394e5f4c426

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