PDF malware analysis — malicious · 8ec2bbba8a7d8cf0

MALICIOUS

PDF

53.1 KB Created: 2021-03-25 01:20:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 7794110f0661966b8ce3b546319d222c SHA-1: 9ca8a46b9bcea43be285b1b7e931f4d3c5238777 SHA-256: 8ec2bbba8a7d8cf0bd431503ea6551db3f5008e574e8536a3e5bf310d023e292

124 Risk Score

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 0.7942

Heuristics 4

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
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://pelibifir.ru/award?keyword=bruchgleichungen+aufgaben+klasse+9+pdf PDF link annotation
- https://nesoximitegemaw.weebly.com/uploads/1/3/5/2/135295679/6c61d959fc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471509/normal_601d594eb8346.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457590/normal_601386d14be18.pdfIn PDF document text
- http://powerhdniy.space/42870991450cc8nk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380694/normal_5ffc2ef4cc948.pdfIn PDF document text
- http://ogranicbio.fun/skyworth_50_4k_smart_tv_reviewsudde7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478422/normal_5fef6e1a305b9.pdfIn PDF document text
- http://fartook.online/star_wars_across_the_stars_violin_sheet_musichao11.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470380/normal_600be11729320.pdfIn PDF document text
- http://front-glass.space/ripafafbfi59.pdfIn PDF document text
- https://vinixojaz.weebly.com/uploads/1/3/5/3/135312356/jorozebubuxebof_kotawuzuvavixi_sezugovavo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9fd459aa-6b73-455c-b4ac-221523125f2d/how_the_bible_speaks_to_us.pdfIn PDF document text
- http://xupikilagi.rf.gd/christian_movies_2017_free.pdfIn PDF document text
- http://lebodixo.epizy.com/what_is_management_consulting_salary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cba68e8-3752-461d-9678-d4a07a3bb6a6/65961961325.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7aa67f91-ad76-404d-9add-5c8965654373/how_do_you_type_the_beta_symbol.pdfIn PDF document text
- http://nakepusigazu.epizy.com/temazuwaxe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e178b78f-9fe5-44f9-81be-041412a4ecc4/remington_700_stock_mounting_screws.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20fdd491-4c07-458f-b4f0-b8ff0bb96819/23930837715.pdfIn PDF document text

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