Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c9cebd5ec1d8556…

MALICIOUS

PDF

71.1 KB Created: 2021-02-16 13:30:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: bac138afcf65582e6362f0a325fa5d39 SHA-1: 1c70bd40594b995b6c67a9e837866e6928c5162d SHA-256: 5c9cebd5ec1d855622b9a2d69180414c6d5c972730c5336bf2ea4a32c4478dc5
126 Risk Score

Malware Insights

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

The PDF document is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing or trojan delivery mechanism. It contains numerous embedded URLs pointing to disposable domains, suggesting a link farm designed to obscure the ultimate malicious destination. The document body, though heavily obfuscated, appears to be a lure related to a car repair manual, aiming to trick users into clicking malicious links.

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://maypoin.ru/wix?keyword=2003+hyundai+tiburon+gt+v6+repair+manual PDF link annotation
    • http://xilofomodat.iblogger.org/student_homework_planner_template_free.pdfIn PDF document text
    • https://wavimukuwu.weebly.com/uploads/1/3/0/8/130874629/mitixobumijalux-mezasox.pdfIn PDF document text
    • https://fekazivijiwawad.weebly.com/uploads/1/3/4/6/134687088/4800919.pdfIn PDF document text
    • https://wewofubajibopa.weebly.com/uploads/1/3/1/3/131381003/3873290.pdfIn PDF document text
    • http://sesigugakipezov.22web.org/lujorisixolozejatovuxuzot.pdfIn PDF document text
    • http://xofajenakimexo.iblogger.org/gta_v_lester_money_guide.pdfIn PDF document text
    • http://lirerigoteses.22web.org/gokazugo.pdfIn PDF document text
    • http://potunof.22web.org/city_of_thieves_david_benioff_download.pdfIn PDF document text
    • https://rupogasonewu.weebly.com/uploads/1/3/4/6/134653860/98dae3e1f.pdfIn PDF document text
    • https://nepuvojikonutoz.weebly.com/uploads/1/3/4/6/134677469/rotasosexaj.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mutaluwuvekigo.rf.gd/marofiwanuxawejaremubata.pdfIn PDF document text
    • http://damewanobojojo.rf.gd/59817100902.pdfIn PDF document text
    • http://sigedasubaduvep.rf.gd/bengali_movie_bolo_durga_mai_ki.pdfIn PDF document text
    • http://bajobakokela.epizy.com/ruweb.pdfIn PDF document text
    • http://momalovategur.rf.gd/kevexamikufudunolot.pdfIn PDF document text
    • http://jikebejilogotum.rf.gd/95379566514.pdfIn PDF document text
    • http://fufagarafe.epizy.com/epdm_rubber_gasket_technical_data_sheet.pdfIn PDF document text
    • http://porapasegunan.epizy.com/firefox_app_for_laptop.pdfIn PDF document text
    • http://vipaviveza.epizy.com/happy_halloween_coloring_sheets_printable.pdfIn PDF document text
    • http://dokedajonanumi.rf.gd/dodokubiguxodotazisut.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_off0000d0aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0AA 5996 bytes
SHA-256: 28ccfa96e1884faa258ded0a96f97384149e142e2f1d74602ce7f9bf96411220
font_01_sfnt_off0000e4ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4EA 13432 bytes
SHA-256: 2761b31452a40461036c97df464929a5ec3cc4bc6962c33f1a13fd69bfa7bf52

Open this report in the interactive analyzer, or submit your own file for analysis.