Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8012c4f761003c7…

MALICIOUS

PDF

49.9 KB Created: 2020-09-20 10:28:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8fa441f85026e200712577d1322f3074 SHA-1: 0487abd709c4386b2da80f9a1566a2a39a6d3a38 SHA-256: a8012c4f761003c7f01323156e2f52aa9a013756c8631890665cd839bf03c20f
184 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, a common technique for creating link farms. One of these links, 'https://ttraff.club/wix?keyword=airut+guide+slayer', is flagged as a known malicious redirector. This suggests the document's primary purpose is to lure users to malicious websites through this link farm.

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.club/wix?keyword=airut+guide+slayer In PDF document text
    • http://files.woutervanheesphotography.com/uploads/1/3/0/8/130813558/boxodejulog_jesap_xaxotoxalawin_vaziji.pdfIn PDF document text
    • http://merolo.camptesahe.com/uploads/1/3/2/6/132696067/b8b9c90.pdfIn PDF document text
    • http://files.kaufmanautogroup.com/uploads/1/3/0/9/130969488/3f061eb24b.pdfIn PDF document text
    • http://suvupaza.arnikafuhrmann.com/uploads/1/3/1/3/131398091/c89384acb6d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://de8058da-93c3-4e45-a310-3c4106c4596d.filesusr.com/ugd/fd3290_bafd0a46df1c43fd9c39a3830d892b5a.pdf?index=trueIn PDF document text
    • https://29d43299-f479-4d2f-8d32-c6b476f518ea.filesusr.com/ugd/7dd30d_2a44ed3ed7dd4f979b04e330ca5e5479.pdf?index=trueIn PDF document text
    • https://3326d50d-42df-4e2a-a776-13f39f9c88c5.filesusr.com/ugd/eb4c03_cccb542cd2864cc085bc4d8c2f0467f8.pdf?index=trueIn PDF document text
    • https://459f13d4-6461-4fe6-9faf-59a512b23f87.filesusr.com/ugd/2b98a3_e93bf3d25ff04cccb7fe7fd35078c54a.pdf?index=trueIn PDF document text
    • https://22def030-2872-452b-a5bb-58304f4d36af.filesusr.com/ugd/98d33d_f26f2e2a0e3643658dd1a404e3ba6726.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1646/1211/files/nixedo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2933/0082/files/minority_report_trailer_vostfr.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/5700/7770/files/25958510355.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2060/5846/files/electrical_engineering_problems_and_solutions_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3861/2378/files/meteorology_today_10th_edition.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007265.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7265 4752 bytes
SHA-256: 34e44996d4dd69c16724822de246566050c7fadd5df6acccafd40f2a0863051f
font_01_sfnt_off0000829c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x829C 13388 bytes
SHA-256: ae1d8c20e84f79f99474f4bd0945ec07dd2d4b94952ff7c00045d627501b17e4
font_02_sfnt_off0000acd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xACD6 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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