Malicious PDF — malware analysis report

Static analysis result for SHA-256 96d1447461b4e640…

MALICIOUS

PDF

55.7 KB Created: 2021-06-01 10:49:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cb0eb4cdacf202eeb57c13988068fb75 SHA-1: e6db6c628a8a051947f1b6311a5cc869623b39f1 SHA-256: 96d1447461b4e64037e3ecddbab7d30682912a2885a30ea27f7110ed8319d961
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs, with one prominent link suggesting a download for 'Driverpack solution 13', likely a lure. The presence of external URIs and a link farm heuristic further supports a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9558

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://allytemp.ru/pbw?utm_term=driverpack+solution+13+free+download+full+version+offline
    • https://cdn-cms.f-static.net/uploads/4412158/normal_6054f01da6284.pdf
    • https://jezipupokegem.weebly.com/uploads/1/3/4/0/134042816/lirife-sakifumikobod-dupabovuwabu.pdf
    • https://xizanubafawadug.weebly.com/uploads/1/3/4/3/134321303/mejigeg_rodukexixodaxof_badalogexewijin.pdf
    • https://desalipi.weebly.com/uploads/1/3/2/6/132681317/rimibak.pdf
    • https://sasasukaga.weebly.com/uploads/1/3/4/6/134624721/95d47.pdf
    • https://cdn-cms.f-static.net/uploads/4369163/normal_601b075766b41.pdf
    • https://static.s123-cdn-static.com/uploads/4495551/normal_6000562538fae.pdf
    • https://mofugitapab.weebly.com/uploads/1/3/4/7/134728490/e100bc.pdf
    • https://cdn-cms.f-static.net/uploads/4417315/normal_60610448c0756.pdf
    • https://static.s123-cdn-static.com/uploads/4443326/normal_6008bf3220aa2.pdf
    • https://xerotopofuwega.weebly.com/uploads/1/3/1/4/131406930/6746858.pdf
    • https://mibigadoguful.weebly.com/uploads/1/3/4/7/134759919/vuwuwulemew_zinolaza_vukesezezoj.pdf
    • http://gatasulupu.pbworks.com/w/file/fetch/144423714/famous_landmarks_of_italy.pdf
    • https://uploads.strikinglycdn.com/files/e8b4e291-a644-4cea-86fb-cabc865033ef/16039325811.pdf
    • https://uploads.strikinglycdn.com/files/2ff472cf-944d-49c9-a200-dbba87f02873/rekufasudemetifezalova.pdf
    • http://wozixokumo.pbworks.com/w/file/fetch/144440196/descargar_libro_como_curar_un_corazn_roto.pdf
    • https://uploads.strikinglycdn.com/files/df42bbc2-ec06-4b72-9a3e-798739f2229a/how_to_connect_bluetooth_skullcandy_crusher.pdf
    • https://uploads.strikinglycdn.com/files/60ae9074-3ca5-450c-9059-feadbf6831f1/joremu.pdf
    • http://wojipag.pbworks.com/f/2019_ford_ranger_raptor.pdf

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