Malicious PDF — malware analysis report

Static analysis result for SHA-256 e46a318133829200…

MALICIOUS

PDF

67.9 KB Created: 2021-02-21 20:09:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 2d42f24e177aa19819ed397599e1141b SHA-1: 82632cfa49b1d1caa0576441803ce79952dc83e1 SHA-256: e46a3181338292007afc865b0c774eb155b7ed6425b55d30faca5c555caa1af2
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains embedded URLs that redirect to various websites, some of which are identified as link farms on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The document body, though heavily obfuscated, contains text related to 'ap physics 2 2016 free response answers', suggesting a lure to attract users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://druttle.ru/wix?keyword=ap+physics+2+2016+free+response+answers PDF link annotation
    • https://cdn.sqhk.co/modonasuje/heiiidq/e_wallet_cashback_malaysia.pdfIn PDF document text
    • https://cdn.sqhk.co/wubunepan/ZihZgh7/reverso_context_russian.pdfIn PDF document text
    • https://cdn.sqhk.co/womawuxinuge/hLhcqgf/pivudagexolub.pdfIn PDF document text
    • https://cdn.sqhk.co/raxuzuvuluf/hbdlMgh/57213576801.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459631/normal_60320cb4ca29c.pdfIn PDF document text
    • http://esportzmlevent.com/berariponokrnlji.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476152/normal_5fe58eaabfd0c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387035/normal_6001bfe07ebec.pdfIn PDF document text
    • http://istlan.space/128421105824aq56.pdfIn PDF document text
    • https://cdn.sqhk.co/molavagew/gcEjbje/17041134975.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489713/normal_60293d68de6c5.pdfIn PDF document text
    • http://renijulemigato.iblogger.org/nys_common_core_standards_math_5th_grade.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wotolag.epizy.com/drink_menu_card_template.pdfIn PDF document text
    • http://famifel.rf.gd/vcf_file_format_viewer.pdfIn PDF document text
    • http://dejenirapavo.rf.gd/beginning_english.pdfIn PDF document text
    • http://zatojigetafugud.epizy.com/grateful_hezekiah_walker_featuring_dave_hollister_lyrics.pdfIn PDF document text
    • http://xamawesurasido.epizy.com/22883370593.pdfIn PDF document text
    • http://laxizal.epizy.com/menadojosiwaxuzobixe.pdfIn PDF document text
    • https://s3.amazonaws.com/petikamov/the_bipolar_ii_disorder_workbook.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_off0000c9d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9D7 5732 bytes
SHA-256: d3030b39ee8f193ab747bfc802d2db3c50ab87d6526e7a98a34ccd3c92c6f55d
font_01_sfnt_off0000dd7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD7C 10876 bytes
SHA-256: 313f15d5288c1dbdffd3b278d3f3a1d2d08f10740d5cd3a5a9eca45cd3b5a873

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