Malicious PDF — malware analysis report

Static analysis result for SHA-256 976958fd956fe5e9…

MALICIOUS

PDF

49.6 KB Created: 2020-09-20 09:59:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e907429b39080dd677aff55392050207 SHA-1: 4de0916e4577b5380b96efbd755b69b545d2500f SHA-256: 976958fd956fe5e95180a748ae1e7668f2b91b6983a319587be2943bd0d06d87
184 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=rwby+beowolf+lemon'. Additionally, it features a mass external PDF link farm, with the dominant host being 'files.deborahlawrenceschafer.com'. The ML classifier also strongly flagged this PDF as malicious. These indicators suggest the document's primary purpose is to redirect users to malicious infrastructure, likely for phishing or scamming purposes.

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=rwby+beowolf+lemon In PDF document text
    • http://files.deborahlawrenceschafer.com/uploads/1/3/0/8/130813747/10191.pdfIn PDF document text
    • http://rejuxapuf.junctionhillpentecostalchurch.com/uploads/1/3/1/6/131636908/fetokefobon.pdfIn PDF document text
    • http://files.azpowerriders.com/uploads/1/3/0/7/130739488/daxuzowikuponet.pdfIn PDF document text
    • http://files.theohanadivecompany.com/uploads/1/3/1/3/131380850/5339a97182b360f.pdfIn PDF document text
    • http://jasud.learnandleadec.com/uploads/1/3/1/6/131606177/4178446.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://581f4d68-99f8-48ae-b2ea-55791afde9b6.filesusr.com/ugd/73c254_7903fd5a1c4f441194c83af471fb4eba.pdf?index=trueIn PDF document text
    • https://f81cc628-1a6d-446c-9c88-a2bf2d9cad8d.filesusr.com/ugd/0b46e6_7d8d55c1c73c4fb0ac5f5c76bf0d468d.pdf?index=trueIn PDF document text
    • https://19cdac54-7bed-404d-a86a-a57bebae83ec.filesusr.com/ugd/f390e7_6ca6fec26d694f038b4240c8f898dbf1.pdf?index=trueIn PDF document text
    • https://90d80190-91a9-4a07-bee0-12ce47492050.filesusr.com/ugd/cbdbb6_8bddc607275a49cc9a0ad9e371d073b1.pdf?index=trueIn PDF document text
    • https://ae8e79d1-27bc-4ff1-8d0a-8d69ff9e3f27.filesusr.com/ugd/e78b77_879739aec07446e79ee9813f9906f315.pdf?index=trueIn PDF document text
    • https://78d8300e-6635-4650-be33-14543500229a.filesusr.com/ugd/76aeb6_73bf45e53bf0444a8fd1d33b3baf7e21.pdf?index=trueIn PDF document text
    • https://a65832b2-495e-466d-b26f-adc1b62bef52.filesusr.com/ugd/e2c250_c8e734ebeac441d494297fe7bd126328.pdf?index=trueIn 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_off00008679.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8679 4772 bytes
SHA-256: 38e7d4570b1fdaaa9e8a7873fbe7e6f9447881a56be76b708cc451dd72d05902
font_01_sfnt_off000096c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96C9 10228 bytes
SHA-256: 92a4d3f289577e731bf7d9a939c686cdff7bc573976b969df6f4cb506848294b

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