Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ad9a67920e255d2…

MALICIOUS

PDF

49.6 KB Created: 2021-03-23 00:49:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: a3cbf81f07e0f56e9cc21d5d0d5011e2 SHA-1: 5cba1a1fc6006d9f703f748fed5bded6baec98bf SHA-256: 7ad9a67920e255d2583c51efaead00c5e925c1864322f704adbccafcbb2c6bd3
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6386

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.
  • 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
  • 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://ponafet.ru/aws?utm_term=kenwood+tm-v7a+review PDF link annotation
    • http://chaptejvxz.fun/pokemon_sun_and_moon_nintendo_switch_downloadl5a9b.pdfIn PDF document text
    • https://cdn.sqhk.co/tidilotofuka/gdib4jd/manualidades_navideas_para_nios_pequeos.pdfIn PDF document text
    • https://cdn.sqhk.co/ribuwikoli/f4jhjaU/network_authentication_problem_android.pdfIn PDF document text
    • http://bristol-yalta.run/the_gene_ontology_handbookl7cht.pdfIn PDF document text
    • https://cdn.sqhk.co/xefilelo/smRnajd/54384473406.pdfIn PDF document text
    • http://dle-tpl.site/7267257155ysrg8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391317/normal_5fd1a4ff8e9ce.pdfIn PDF document text
    • http://1gusevshop.space/analysis_of_blood_report_onlinegjpnr.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410222/normal_60068eac19109.pdfIn PDF document text
    • https://sozazajigosana.weebly.com/uploads/1/3/0/7/130739782/fd820a0.pdfIn PDF document text
    • http://megalit-korolev.ru/39069471353y17xa.pdfIn PDF document text
    • https://rofipufexorijol.weebly.com/uploads/1/3/4/6/134656377/fotujiwufareko.pdfIn PDF document text
    • https://divupitibi.weebly.com/uploads/1/3/4/3/134328085/kuzosazemaz.pdfIn PDF document text
    • http://pasendapp.online/riborajipefertux9w.pdfIn PDF document text
    • https://xudisuwovoj.weebly.com/uploads/1/3/5/4/135400752/lezetapenataguvoxog.pdfIn PDF document text
    • http://nazhivy.net/duvet_sheet_en_espaolkc2r8.pdfIn PDF document text
    • http://ewop.space/116249952245ywj6.pdfIn PDF document text
    • https://cdn.sqhk.co/zifalulog/a7WjarL/nivetujibufo.pdfIn PDF document text
    • https://rovagurepuj.weebly.com/uploads/1/3/1/8/131856033/5669876.pdfIn PDF document text
    • http://agentsecure.space/kawudimurab1lqga.pdfIn PDF document text
    • http://blablablacar.online/what_it_feels_like_for_a_girl_bookaoa16.pdfIn PDF document text
    • https://cdn.sqhk.co/zajagatetode/iDjw71F/97612750137.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472494/normal_602099067c91e.pdfIn PDF document text

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