Malicious PDF — malware analysis report

Static analysis result for SHA-256 b26c30d92af1ae36…

MALICIOUS

PDF

39.9 KB Created: 2020-08-04 08:02:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a370fe5b8056f408663be745edad2141 SHA-1: 8f914b333829e36d36626e661dfe104f9568dbe6 SHA-256: b26c30d92af1ae36e10860c4e0650d25e565fa56b11e71a27d6c2f7358f4e1e5
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a link farm hosted on Shopify, designed to obscure the ultimate destination. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=causative+verbs+pdf'. This suggests the document is part of a phishing or scam campaign, attempting to redirect users to malicious content. No scripts were extracted from this sample.

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=causative+verbs+pdf In PDF document text
    • http://files.ejwoo.com/uploads/1/3/0/8/130813696/6100011.pdfIn PDF document text
    • http://files.buildingbrilliantlives.com/uploads/1/3/1/1/131164118/tenis.pdfIn PDF document text
    • http://files.meredithroadrep.com/uploads/1/3/0/7/130740586/foxunasibeja_soxoj.pdfIn PDF document text
    • http://sotagizag.willowkrimble.com/uploads/1/3/1/4/131407089/kojawuvimitiravisab.pdfIn PDF document text
    • http://files.nuvoicesla.org/uploads/1/3/0/8/130813357/kedonisekesuta-zetemulowedarig-tiduzuxupetez.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/1/0431/6584/3620/files/funigidisiwaxavof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0811/4340/files/luzagim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7194/7423/files/zaladatenelidopewud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5703/5929/files/81673994880.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2140/9184/files/gaxoteligewuvonezeku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8499/5991/files/kemidivosofimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5059/8562/files/tetotuzarubomasisokarux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4633/7703/files/zoliruderuxudabev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9318/1081/files/tapodevuxunagekimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6547/3189/files/wajemabukiganuxewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0819/5738/files/m_torrent_3._3._1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6154/2054/files/31271631834.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6132/1634/files/11296210697.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_off00005e25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E25 5108 bytes
SHA-256: 47f2ab10d24f23bbd15b25714a9854e5409498f07bddf32abe70b408b84463af
font_01_sfnt_off00006f91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F91 10432 bytes
SHA-256: 087d03515fc29cf8f931fa0ecac541f4306f2b07c1cfcf4ddfb37bd64946634c

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