Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d10eea24b335a97…

MALICIOUS

PDF

40.0 KB Created: 2020-09-28 17:27:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 31cae60c01018017e88152b8e9d0b0ea SHA-1: ae47037755350172b139ca521053b82a990ac667 SHA-256: 6d10eea24b335a97bca34ae7eedbf93ee9d7f5c415662e17465687677a8188d1
184 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with at least one pointing to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body text appears to be obfuscated or corrupted, but the presence of numerous links suggests an attempt to direct users to potentially harmful external sites, possibly for phishing or malware distribution.

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://gettraff.ru/mozel?keyword=soal+cfit+skala+3+bentuk+a+pdf In PDF document text
    • http://vesegu.jaredyamahataartwork.com/uploads/1/3/1/1/131164250/4135009.pdfIn PDF document text
    • http://kujogeges.ryanginter.org/uploads/1/3/1/8/131858685/laxupunibe-zigededusu-pamoguravales.pdfIn PDF document text
    • http://buguve.oqls.org/uploads/1/3/1/3/131398367/dedeveran.pdfIn PDF document text
    • http://suwotuxoz.northcasnoviabaptist.com/uploads/1/3/0/7/130739906/xifivatosojubaj.pdfIn PDF document text
    • http://files.naazneendiwan.com/uploads/1/3/0/7/130775309/lujutimasipij.pdfIn PDF document text
    • http://files.doulaabilene.com/uploads/1/3/1/3/131398088/7069272.pdfIn PDF document text
    • http://files.crossfit-galveston.com/uploads/1/3/2/6/132696104/wituzabasi-sobugupip-fiwezozafin.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/1/0433/0595/9588/files/hashar_full_movie_mp4_hd.pdfIn PDF document text
    • https://3b45c72c-6ead-4d73-af44-97149c12a112.filesusr.com/ugd/4d6844_24b8cfea355444ef8591e1926d4b3fd0.pdf?index=trueIn PDF document text
    • https://a0ae9445-d025-4318-b497-3cbf23d0c6b2.filesusr.com/ugd/48f461_a53c9d5d315d43f094c8c0fe7a136a37.pdf?index=trueIn PDF document text
    • https://14732304-f808-11ea-a328-fc4dd43d38a6.filesusr.com/ugd/9117e0_0735683d6aba43a88d7b673d6421f259.pdf?index=trueIn PDF document text
    • https://457dcb9c-a3e8-4cd8-8dda-0bcd4d70420b.filesusr.com/ugd/34ec99_6de8a79c2e5e4c5685f1de634e19d608.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 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_off00005cf7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CF7 5524 bytes
SHA-256: 690d077fcd5ae207b17ebc48bc18dc8d184961ed0c6d344ad51eabb414956de9
font_01_sfnt_off00006fcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FCD 10492 bytes
SHA-256: 458d7554fdad1b7480abaa2a5e9ec137fedf81647266a1de60c04476024e1471

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