Malicious PDF — malware analysis report

Static analysis result for SHA-256 8afd8b174cf66e83…

MALICIOUS

PDF

63.1 KB Created: 2020-09-21 08:39:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4c3c679f947dff39d8f33b4ac4f1744b SHA-1: 2d4699620fb874a191203520f6b9f95f303824b5 SHA-256: 8afd8b174cf66e839c987ccc57de9462078d6002f4bc7e285e05c424e6e97fa4
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a large number of external links, indicating a link farm designed to manipulate search engine results or distribute malicious content. One critical heuristic identified a link to known malicious redirector infrastructure. The embedded URL 'https://ttraff.link/wix?keyword=theseus+greek+mythology+summary' is likely the initial lure, redirecting to further malicious sites.

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.link/wix?keyword=theseus+greek+mythology+summary In PDF document text
    • http://files.majortomwithpinkcrows.com/uploads/1/3/1/3/131378918/likana.pdfIn PDF document text
    • http://juxafok.hudsonvalleycasting.com/uploads/1/3/1/0/131070146/2215620.pdfIn PDF document text
    • http://files.irishsetter.is/uploads/1/3/0/7/130739059/5001898.pdfIn PDF document text
    • http://xigulog.johnpiperwatercolours.com/uploads/1/3/0/8/130874285/bakajiniragapa.pdfIn PDF document text
    • http://files.paulsfranchiseleague.com/uploads/1/3/1/4/131438249/kabuvoxije_kuvorenuzixuw_raxejusub.pdfIn PDF document text
    • http://gejuxajes.jillianabbott.com/uploads/1/3/1/4/131437850/junebifoka.pdfIn PDF document text
    • http://piziruli.sethallenyoungphd.com/uploads/1/3/2/8/132814718/9912070.pdfIn PDF document text
    • http://files.caitlinamycreates.com/uploads/1/3/2/7/132740965/5233743.pdfIn PDF document text
    • http://bexemeze.elocruz.net/uploads/1/3/0/7/130775692/sexane_zopurasur_divotazulotufos.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://d1ac89f9-5459-4daf-99a0-6d36ef5e3e2d.filesusr.com/ugd/26481d_472a78fcdca941808a9ddad50b76d735.pdf?index=trueIn PDF document text
    • https://b316f3f8-b2e7-470e-97b4-a04f5282a33d.filesusr.com/ugd/735189_716d45951ce2432aa7031933d5b5f4f7.pdf?index=trueIn PDF document text
    • https://9f0d76db-421c-4eb1-96eb-a18efbfe2ad7.filesusr.com/ugd/d2751c_f3550c1d97d741f695784cbc59a21599.pdf?index=trueIn PDF document text
    • https://eef1befb-bc3e-4fdb-bdcc-611811cc1cc5.filesusr.com/ugd/ea2c45_dfcce7f67f6647a9b1f36fe6caa61346.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/2470/3642/files/xikotexuwilorakoviro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7212/7125/files/causes_of_the_great_depression_apush.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9744/6816/files/78930247525.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_off0000b368.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB368 5212 bytes
SHA-256: f1cf4c7cdc0d0bf6367f5c174ac321225f6f63c6ee83271d7c1f47b54643e2fb
font_01_sfnt_off0000c501.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC501 12880 bytes
SHA-256: 1094b2118c66b27ac894d5fbddd20c666366b4d7d7b370fcbc2e7ce3f873b82c

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