Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2f59f69d9a70663…

MALICIOUS

PDF

67.6 KB Created: 2021-03-19 09:41:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 318ee1da4f2dac8d3a8555c8ca8a6c3b SHA-1: 40c10873a96dc32c11bb63e454e01df9b21bef2e SHA-256: c2f59f69d9a70663b4dea4bb39bf5348193f7445474afaeb2e460cf7648ad4b6
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains a heuristic indicating it is a link farm designed for phishing, with a specific URL pointing to a movie download lure. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI point to a phishing attempt to trick users into visiting a malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9263

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://baarspo.ru/aws?utm_term=insurgent+movie+download+free PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4447085/normal_5fdb55d7bc39e.pdfIn PDF document text
    • https://popuvagilubasi.weebly.com/uploads/1/3/4/0/134018524/palonaza.pdfIn PDF document text
    • http://bajifepeselok.sportsontheweb.net/how_to_fix_a_bad_fan_clutch.pdfIn PDF document text
    • http://musomojil.mywebcommunity.org/29912492490.pdfIn PDF document text
    • http://kudukudimox.sportsontheweb.net/astral_pipes_price_list.pdfIn PDF document text
    • https://deserekinubolid.weebly.com/uploads/1/3/4/3/134319780/2614409.pdfIn PDF document text
    • http://zabolojisag.getenjoyment.net/arabic_english_translation.pdfIn PDF document text
    • http://fefiwizam.sportsontheweb.net/contrato_de_alquiler_de_casa_simple_para_imprimir.pdfIn PDF document text
    • http://kimiter.medianewsonline.com/caveat_venditor.pdfIn PDF document text
    • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/puvul.pdfIn PDF document text
    • https://mulunumidivopiz.weebly.com/uploads/1/3/5/3/135393794/79e572d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450046/normal_5ffd477a2437b.pdfIn PDF document text
    • http://daxavepevepa.mypressonline.com/kamegovu.pdfIn PDF document text
    • http://gudelew.mywebcommunity.org/siwidumukumakugefisimiz.pdfIn PDF document text
    • http://juzezudusota.mypressonline.com/vifibigugumogopi.pdfIn PDF document text
    • https://jowizixevudaw.weebly.com/uploads/1/3/4/4/134489406/4250115.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/14dd0510-d463-4f4b-b687-32e139b1bbf1/55382883584.pdfIn PDF document text
    • http://lufevexos.atwebpages.com/xr2_remote_control_manual.pdfIn PDF document text
    • http://nejimafalun.onlinewebshop.net/zopevafafurafe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c1b1628-db97-4ba9-af61-7e50d28dcc1b/2879080914.pdfIn PDF document text
    • http://futakanawus.onlinewebshop.net/ganamrutha_bodhini_sangeetha_bala_padam_english.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44ea36f2-7938-4959-b69d-5234317f796f/petsafe_citronella_bark_collar_not_spraying.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/347b9728-7c0e-4ca7-b35a-fffd1d73baaf/city_of_ann_arbor_zoning_codes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/902a88ae-cdff-44a2-ad4a-0e92d714dacd/76313029178.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000faad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAAD 5316 bytes
SHA-256: b3a8dcbf6968eb3be9e5516f5b32e57e7cc4145436390b3865d80029e50d4c44

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