Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c2f52f10eaad23c…

MALICIOUS

PDF

86.4 KB Created: 2021-03-03 03:43:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: f72a75a69247ec67791a3f4e91c5d0e2 SHA-1: 092d5a5cb4b048db8e3ee85c66a9c23108b26a4f SHA-256: 0c2f52f10eaad23c429a45b16eade5d03c788483c90c83cf4ce29bf886cac96c
156 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are disguised as legitimate downloads or search results, indicating a link farm or phishing attempt. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The presence of embedded URLs and the overall structure suggest an attempt to redirect users to malicious content or download further malware.

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 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.
  • 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://crophysi.ru/123?utm_term=blink+malcolm+gladwell+pdf+download+bahasa+indonesia PDF link annotation
    • https://cdn.sqhk.co/pesamelez/Xiegcja/35310135724.pdfIn PDF document text
    • https://cdn.sqhk.co/voduzetefir/igehaia/58962468167.pdfIn PDF document text
    • https://cdn.sqhk.co/sadirorig/E39lhdJ/gym_training_program_for_muscle_gain.pdfIn PDF document text
    • http://fufexak.22web.org/56051596704.pdfIn PDF document text
    • https://cdn.sqhk.co/pigexebobe/ge4a8vb/download_zombie_offroad_safari_mod_apk_revdl.pdfIn PDF document text
    • https://cdn.sqhk.co/tabuguran/eMQwu3n/zara_sale_usa.pdfIn PDF document text
    • http://gagigijaloj.22web.org/cost_comparison_chart_template.pdfIn PDF document text
    • https://zoxaminajoge.weebly.com/uploads/1/3/1/6/131637873/kozipaxusatigudafefo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fifuto/ashraf_udash_video_song.pdfIn PDF document text
    • https://s3.amazonaws.com/xazarujokemus/20484756609.pdfIn PDF document text
    • https://s3.amazonaws.com/gurupixabogivaz/12513528984.pdfIn PDF document text
    • http://wogafut.rf.gd/bmw_usa_performance_parts.pdfIn PDF document text
    • http://wedejilifolani.rf.gd/whatsapp_wedding_invitation_card_template_free.pdfIn PDF document text
    • https://s3.amazonaws.com/ritoma/format_of_compliance_certificate_by_company_secretary.pdfIn PDF document text
    • https://s3.amazonaws.com/kukupunopedon/91898793417.pdfIn PDF document text
    • http://dobubijopawuxon.epizy.com/81521083147.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001111a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1111A 5816 bytes
SHA-256: 4e01da4119ec77bb4fff33bf7ce92a1e68811c7d21e7370f78cca4e979c04b44
font_01_sfnt_off000124d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x124D7 11696 bytes
SHA-256: 70e6bd85d9d15f9c6da04277759f499e3aa7d91a0a2b9ea4cb7b856bafba51ba

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