Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee95948106edd919…

MALICIOUS

PDF

79.6 KB Created: 2021-03-01 08:29:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 652f1a68a6385e2ffb5a585b5910482c SHA-1: b3643f1d114d46bcf988c7bf0f2bf4e4ba498475 SHA-256: ee95948106edd91985356b5d826297a6d08b8d13713ac8a69cdec10837726ee5
186 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The ML classifier and ClamAV detection strongly suggest malicious intent, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. While no scripts were explicitly extracted, the PDF structure and numerous external URLs point towards a phishing or malicious redirection scheme, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://zajinet.ru/award?keyword=can%2527t+start+my+snowblower PDF link annotation
    • https://dobojadu.weebly.com/uploads/1/3/2/7/132711966/jipuxa.pdfIn PDF document text
    • https://dakubotamijez.weebly.com/uploads/1/3/2/7/132712147/78044fd334230c.pdfIn PDF document text
    • https://cdn.sqhk.co/jaruxabal/ieVEOgj/fexoru.pdfIn PDF document text
    • https://talunijepi.weebly.com/uploads/1/3/4/5/134599753/lokojoto_jukaza.pdfIn PDF document text
    • http://clubstore.info/jetijidawsbcwd.pdfIn PDF document text
    • https://cdn.sqhk.co/lituxopevuk/gijd455/hidden_objects_sims_4_plants.pdfIn PDF document text
    • http://nasty666.space/529101443963m8x7.pdfIn PDF document text
    • https://fezizijopugasu.weebly.com/uploads/1/3/4/8/134850826/nivegeruwoxabid.pdfIn PDF document text
    • https://wajotirege.weebly.com/uploads/1/3/5/3/135306859/karix-vibaludekujeke.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zixoridepub.rf.gd/taunton_livestock_market_report.pdfIn PDF document text
    • http://xugeseza.epizy.com/71742404896.pdfIn PDF document text
    • http://nazifaba.rf.gd/barred_spiral_galaxy_information.pdfIn PDF document text
    • http://xetobagog.rf.gd/68144718699.pdfIn PDF document text
    • http://solukirakologi.epizy.com/low_level_chinning_guide_osrs.pdfIn PDF document text
    • http://rejosunugewojif.epizy.com/18211115544.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_off0000fd91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD91 5104 bytes
SHA-256: 0257a73c5176702268bce0bab59a97fb5b916b7d9d34bd75ed7e182ed9d79a21
font_01_sfnt_off00010ef0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EF0 10240 bytes
SHA-256: 92895810ead6cbfa06df48ea8f1c5a3c8a5a5691404ff3786eb2797e47e2952a

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