Malicious PDF — malware analysis report

Static analysis result for SHA-256 26be6f5d84b917c3…

MALICIOUS

PDF

44.9 KB Created: 2020-08-14 16:40:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 367ebe66231627fe676a4dec0c4e9e69 SHA-1: 83406b64780a8181cbc5efddad626b9a02c6874d SHA-256: 26be6f5d84b917c32c45045ff31d2e0d88136955a54483890fc7d5a80f168525
194 Risk Score

Malware Insights

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

The PDF contains embedded links, with one specifically identified as a malicious redirector pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'chefman air fryer manual' and the malicious URL, suggesting a lure. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external links, including to Shopify domains, indicates a link farm strategy to obscure the final malicious destination.

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=chefman+air+fryer+manual In PDF document text
    • http://ranitaros.enviropolicyblog.com/uploads/1/3/1/1/131164250/7941802.pdfIn PDF document text
    • http://files.reading2reading.com/uploads/1/3/0/9/130969555/49253ecafb.pdfIn PDF document text
    • http://nufasozut.sheilamyers.com/uploads/1/3/2/8/132814930/119084a15.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/1/0439/8029/2254/files/lowes_orange_city.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7160/1817/files/50095061933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/3532/2526/files/togefuzazulonujutuzetuneb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4888/5662/files/pojebadunujakakugegesiziz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lugapib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3673/7699/files/digital_marketing_interview_questions_for_freshers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/5595/9464/files/antonyms_and_synonyms_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9496/6421/files/96637277589.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7044/5975/files/36254314997.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3563/8425/files/22858300785.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87074842841.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_off0000730e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x730E 4836 bytes
SHA-256: d90406f02ba250f83204f8bb5e101d2f17dd18bda125ed894e028de7bcf87838
font_01_sfnt_off0000835a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x835A 10452 bytes
SHA-256: 5110a95fe98df8f6ee4ba29425c653fcf43ee1552d2a357b1191fb0a6cd28997

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