Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e86460b3b2ba0e7…

MALICIOUS

PDF

59.8 KB Created: 2021-06-10 23:15:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 0e1fd67f36edf0e67e645d5be46a0d6d SHA-1: 6f784461405d73a9446689c4c10e290fce8451b2 SHA-256: 4e86460b3b2ba0e72d7dd8c9610194123d89d4d8ae2dae1385c8bfa0e650c428
124 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 0.8503

Heuristics 4

  • 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
  • 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://crysiq.ru/pbw?utm_term=minecraft+0.12+apk PDF link annotation
    • https://static.s123-cdn-static-d.com/uploads/4387056/normal_60b1ca354d225.pdfIn PDF document text
    • https://vezevuxujobamo.weebly.com/uploads/1/3/6/0/136082964/e35aa05518.pdfIn PDF document text
    • https://fazatirogefo.weebly.com/uploads/1/3/4/4/134462354/lokijifex-gifuteluv-lipojoni-waneliwewipomi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464734/normal_601a62a9661f0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393759/normal_601c5b6fb9b97.pdfIn PDF document text
    • https://xizenarinirogav.weebly.com/uploads/1/3/1/4/131437147/840869.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488569/normal_5ff4ebe10dcce.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365541/normal_5ffc4f6ae201e.pdfIn PDF document text
    • https://nigupuwifiva.weebly.com/uploads/1/3/5/3/135329906/suwulopunosem_fukipukeroze.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4528260/normal_604e9bcd8210d.pdfIn PDF document text
    • https://nakalefa.weebly.com/uploads/1/3/4/5/134522788/nagukuvijewiwig-fowixamipatobex.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403816/normal_5ff555402de98.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454047/normal_601f6675251d4.pdfIn PDF document text
    • http://febigadeviti.pbworks.com/f/warupa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1bc5c15-3d2f-4831-ace8-825a313ef762/475427637.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2671763f-3e02-445a-a877-087cc1080fe7/jukamuf.pdfIn PDF document text
    • http://vejivab.pbworks.com/f/96153982388.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a612d39-e9ec-404d-9807-fbd8dd46b2ec/o_q_fazer_para_nao_descascar_depois_do_sol.pdfIn PDF document text
    • http://nivipebi.pbworks.com/w/file/fetch/144985878/71170856609.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/601957e3-b4c1-4b65-acd3-4b0b8939b61a/20877109606.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e8544fc9-9ddc-44c3-b817-0129d2e7fc8b/how_to_use_turtle_beach_on_pc_with_one_jack.pdfIn PDF document text
    • http://vejivab.pbworks.com/f/naruto_manga_500.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dff7a5eb-5e63-4cfc-a8d6-66117cfe167e/zumegokuwimovafe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d06dacca-d324-4f34-9487-07854231cf8c/the_lion_the_witch_and_the_wardrobe_full_movie_2005.pdfIn PDF document text
    • http://ritijix.pbworks.com/w/file/fetch/144525723/jajog.pdfIn PDF document text

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