Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e40521385a25533…

MALICIOUS

PDF

96.2 KB Created: 2021-03-16 06:37:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b69d275811ecdee948d6a2a2ab7e5116 SHA-1: a4e4bed4698906b430a16c8aba088a1093e498e0 SHA-256: 0e40521385a2553379bbf14fbef3bcb36c813249591a61c6c08efe9e7d07933e
186 Risk Score

Malware Insights

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

This PDF file was identified as malicious by multiple heuristics and an ML classifier, indicating a phishing or trojan-like behavior. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially harmful content. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is part of a phishing campaign, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://soxebez.ru/wix?keyword=cookie+clicker+unblocked+at+school PDF link annotation
    • http://goloszauniver.fun/59486212103udosc.pdfIn PDF document text
    • https://widedopeb.weebly.com/uploads/1/3/5/9/135970132/porexen_belomoza_jozazebonotiz_julekasisolega.pdfIn PDF document text
    • https://muzunamarufo.weebly.com/uploads/1/3/4/4/134463020/bojajozepabexo_lewerux_nepofurosulosu_jojajego.pdfIn PDF document text
    • http://bettermoneytips.com/functional_analysis_and_graph_theoryh07mu.pdfIn PDF document text
    • https://dikozawurizid.weebly.com/uploads/1/3/1/6/131637316/danoxa-zegowuvawel-revubimifal.pdfIn PDF document text
    • https://silepokow.weebly.com/uploads/1/3/4/3/134366863/fijibukofupu-rufeguf.pdfIn PDF document text
    • http://mazafaka69pussy.online/xababisiv2lys.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372086/normal_5fe1021c5d8b0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451940/normal_5fff95e2ee94f.pdfIn PDF document text
    • http://minuette.me/xaziderap84n86.pdfIn PDF document text
    • http://volosaty100.xyz/can_you_use_imovie_on_ipad_prodxvji.pdfIn PDF document text
    • http://ranopefutaranuj.iblogger.org/45000324987.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vipaviveza.epizy.com/sonic_all-_stars_racing_transformedtm_demo.pdfIn PDF document text
    • https://5cbbff6b-7c47-4fbb-abda-9de5069fbc88.filesusr.com/ugd/1a89c8_082ddb6fccbf476080f5d26799900e26.pdf?index=trueIn PDF document text
    • http://favigawesuwevo.rf.gd/rogefiwifig.pdfIn PDF document text
    • http://xewaditina.epizy.com/atem_television_studio_pro_hd_user_manual.pdfIn PDF document text
    • https://89e5ed4a-33eb-42a6-b5f1-9fc07ea1e15b.filesusr.com/ugd/ff68bb_e60ef653f9e348abbed019cab2fe215a.pdf?index=trueIn PDF document text
    • https://217ba8a6-026c-4a9e-b1ce-2eadff0a4a08.filesusr.com/ugd/3d7af5_57072c8501ac45a8a34b8422b3cd2852.pdf?index=trueIn PDF document text
    • https://625f08e2-3d8e-45b5-8e8c-b95d001c5c7c.filesusr.com/ugd/d94ae5_172c13cd537842e6840877b0447370bf.pdf?index=trueIn PDF document text
    • http://vominobig.rf.gd/anti_ragging_form_meaning.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000126f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126F5 6832 bytes
SHA-256: f6d8f0c111dd8b7acea4675c0ab710aee574dfbde482b739aef85f37a17f2c37
font_01_sfnt_off00013843.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13843 5136 bytes
SHA-256: 1b228282bc2fbe2da2322802d7e544ef8d956244931ae6684c5cb96cb1bae5f9
font_02_sfnt_off000149aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x149AA 12008 bytes
SHA-256: a01bd73889986190323a077657778fb085cc74189cab1b71ac98c99b6e7b9112