Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa33595834a85741…

MALICIOUS

PDF

41.5 KB Created: 2020-08-12 19:07:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 670b984acd969d00d009730d4689830c SHA-1: 8b8290fc4c6340089a1516581fe1f396f3ca9c39 SHA-256: fa33595834a85741756b48c6a29a530111f18bf8d1f3863d0df271a0e5dfb94b
154 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 resources. One critical heuristic firing indicates a direct link to a known malicious redirector, specifically 'https://ttraff.cc/wb?keyword=wendy's%20application%20pdf'. The document body, though heavily obfuscated, contains text fragments suggesting a job application lure. The presence of numerous PDF links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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.cc/wb?keyword=wendy In PDF document text
    • http://magisased.algallodoro.com/uploads/1/3/0/7/130775493/vufijibe.pdfIn PDF document text
    • http://xonem.embracefoundationgallery.org/uploads/1/3/2/8/132815176/widaxixotezuru_junigamu_jojadokotisin.pdfIn PDF document text
    • http://files.evdccs.com/uploads/1/3/1/8/131856672/6953519.pdfIn PDF document text
    • http://files.norwinxc.com/uploads/1/3/0/9/130969826/8517011.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/1/0437/3456/5025/files/86088763461.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7275/7668/files/fupodakovuturunowoguzagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6336/2204/files/73541146177.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/17418425376.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6738/2687/files/msculos_agonistas_antagonistas_e_sinergistas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5233/5255/files/disney_descendants_2_full_script.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2122/files/juwalomerifejopomiret.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8365/2506/files/current_affairs_august_2020_bankers_adda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9456/4250/files/65979048668.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3929/2577/files/16246818138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1414/4675/files/panodir.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_off00006335.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6335 5200 bytes
SHA-256: 23544b54699cbea5732a4105b8c5bc8f571b4aafb87079c2b08490ff3aae1d38
font_01_sfnt_off0000751a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x751A 10604 bytes
SHA-256: 88bc0074302331f26144370aa7742c439a29b445557fd75f55b79d28ea6bb09a

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