Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba21005b13391467…

MALICIOUS

PDF

42.4 KB Created: 2020-08-17 12:57:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ee9dd755a174b7d506d6b6fdb02b2257 SHA-1: 30a6ef7cb9b9327bb1c4484c82879bfe2a6d954a SHA-256: ba21005b13391467802aa9b6bcaadcadb1dea353bf7b648477410b973684ff7f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic firing indicates a direct link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the text 'Inventory variance report' and the malicious URL, suggesting a lure to trick users into clicking the malicious link.

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=inventory+variance+report In PDF document text
    • http://files.commonclimber.com/uploads/1/3/2/7/132740399/5534683.pdfIn PDF document text
    • http://witax.rockinbear.com/uploads/1/3/2/6/132682697/dokizuvomaba-sabajole-zuvakixopipoze.pdfIn PDF document text
    • http://files.heatherspencerstudio.com/uploads/1/3/1/4/131407406/49015d46.pdfIn PDF document text
    • http://diwulom.yourlocalelectricians.com/uploads/1/3/1/3/131398360/fowizepex-dobutojo-pojegubewep.pdfIn PDF document text
    • http://files.9thmediumregimentra.com/uploads/1/3/1/6/131606630/bijulirin.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/1/0433/2794/6904/files/jurnal_ageratum_conyzoides.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3796/5979/files/ziluvebuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9846/4661/files/rebevebi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1320/9246/files/optiarc_dvd_rw_ad_7203a.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5637/3670/files/vaxerizafobep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4922/9220/files/tivekivevutuwebiboluriwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1020/1499/files/29047363217.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9462/0837/files/midurex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5276/7131/files/easy_keto_breakfast_recipes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6341/9815/files/80793198686.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_off00006893.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6893 4816 bytes
SHA-256: cb33668a48e636e882eb74fca283a6de88f1063c3b62c16f717376287b052b9b
font_01_sfnt_off0000790d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x790D 10580 bytes
SHA-256: 193d896069d94f90de63a8ad1b05708f607d15b135bc4e3aee2bb4ba56f1eecc

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