Malicious PDF — malware analysis report

Static analysis result for SHA-256 53ee34385b8e8b3e…

MALICIOUS

PDF

74.6 KB Created: 2021-01-31 16:12:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 49b45adbdbe5b66c60aaad227d0f4b68 SHA-1: f61950075c2c7ae8cdc58d134e7717947574b253 SHA-256: 53ee34385b8e8b3e783640f52dc4b29ec66691aa13707d17fa0137dcb8d201a2
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, with a prominent one being 'https://druttle.ru/123?utm_term=awc.dll+load+failed+fifa+manager+12', suggesting a lure related to a software error. The PDF also functions as a link farm, directing users to multiple disposable domains, likely for distributing further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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 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/123?utm_term=awc.dll+load+failed+fifa+manager+12 PDF link annotation
    • http://xekuluw.iblogger.org/standard_format_pokemon_decks.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368469/normal_5fd39daa10dc9.pdfIn PDF document text
    • http://all-system7.xyz/37069057119qq8gf.pdfIn PDF document text
    • http://mantenancie.com/56777373889gu352.pdfIn PDF document text
    • http://prizinsta24.space/pabatem60qaz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386834/normal_60106e47e7dd6.pdfIn PDF document text
    • http://moymagazin.xyz/491263183704bhvk.pdfIn PDF document text
    • http://unityfree.xyz/womapalotuninikuraxikunj31xy.pdfIn PDF document text
    • http://bestgirl69.com/kovexasuluweknq8u.pdfIn PDF document text
    • http://gobigs.space/47701311123mqo3q.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373271/normal_5fc6116b8840a.pdfIn PDF document text
    • http://bestsaleshopin.xyz/78769337314u3nhz.pdfIn PDF document text
    • http://airned.ru/true_representative_democracy_definitionx9n7r.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494677/normal_5ff9da07bc189.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dimegebewode.epizy.com/gakomukokajoxetefuziz.pdfIn PDF document text
    • http://rudurugineme.epizy.com/detergent_sheets_where_to_buy.pdfIn PDF document text
    • http://dajejat.rf.gd/vutolotetikukobamu.pdfIn PDF document text
    • http://tufukupetateto.epizy.com/87049702527.pdfIn PDF document text
    • http://daxevetefixidaj.epizy.com/45543409200.pdfIn PDF document text
    • http://pozijirume.rf.gd/58200761742.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_off0000e301.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE301 5460 bytes
SHA-256: 75fc731180012689b54c38302e3865b4dd9c2c68420ce8df05db006ed7931552
font_01_sfnt_off0000f5a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5A0 11940 bytes
SHA-256: ce05638d47f236fca248a77a65c3a5b0925dc065c33f35035ddbc06736d31461

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