PDF malware analysis — malicious · 38f7881647d08d53

MALICIOUS

PDF

83.2 KB Created: 2021-03-04 21:35:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5e3b78c974f3b70f74cabf41f0dbc744 SHA-1: 45c6edf3e14daf3a876145da33d68ca7dcafa944 SHA-256: 38f7881647d08d534950c169a78e2b8d7803603dc2fe34410f87f3c1471f2f1d

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, including a suspicious link farm detected by heuristics. The document body, though partially corrupted, suggests a lure related to starting a business. The presence of external URIs and the PDF_SEO_LINK_FARM heuristic indicate a likely attempt to redirect users to malicious or spam content, potentially for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.6590

Heuristics 4

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.
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://botokaw.ru/award?keyword=how+do+i+start+a+bread+bakery+business
- https://zitasiga.weebly.com/uploads/1/3/6/0/136088478/014ef60f.pdf
- https://cdn-cms.f-static.net/uploads/4448116/normal_601e5fc0de54f.pdf
- https://rupevegix.weebly.com/uploads/1/3/4/8/134887155/zoxeb.pdf
- https://static.s123-cdn-static.com/uploads/4392207/normal_6008dab01f85d.pdf
- http://trelon.fun/xewavodoputexawosalagiposz2i0.pdf
- https://static.s123-cdn-static.com/uploads/4388169/normal_5ff50787669ba.pdf
- http://reduslimitaly.website/the_fifth_wave_cast_and_crews5uni.pdf
- https://cdn-cms.f-static.net/uploads/4417535/normal_5fd64bcb5d34f.pdf
- https://suwudaxodorepe.weebly.com/uploads/1/3/4/8/134885248/kolorolimibu.pdf
- http://astropsychology.site/36512261201zj916.pdf
- http://servempieza.site/lenakelavotogiwid4wfxz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/zamuriza/uncle_johns_bathroom_reader_extraordinary_book_of_facts.pdf
- https://s3.amazonaws.com/gewisetug/7578146503.pdf
- https://s3.amazonaws.com/navoburarovada/81333822936.pdf
- https://7afd96e6-4611-46d4-9b98-d111b897c281.filesusr.com/ugd/154221_c90d4ccc13564513b0e3ff9fe1152cd3.pdf?index=true
- https://s3.amazonaws.com/nodetuxapabara/direct_and_indirect_speech_examples_with_answers.pdf
- https://s3.amazonaws.com/joterige/berserk_wallpaper_android.pdf
- https://67a4337f-2b79-4d04-9c1d-2578c80f4945.filesusr.com/ugd/964009_387b57a99f1f4c038b3d9c1b68d1752d.pdf?index=true
- https://s3.amazonaws.com/dosalapasenow/bms_performance_ireland.pdf
- https://s3.amazonaws.com/vedexajawo/tiwanowajuwozavipapo.pdf
- https://356bbf58-84af-4bff-99a9-d03346e46411.filesusr.com/ugd/b5472a_f10f23437190455b92c1d0d998b9e964.pdf?index=true
- https://s3.amazonaws.com/toguvaju/fufinivarujefoz.pdf
- https://s3.amazonaws.com/zufaxepixiguxax/hamilton_beach_flexbrew_carafe_instructions.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001206c.bin` `702e5ba4ffbd8000d6466ae98e0b007f513e6d4cbdbff45be00ce4dd5eabd2e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1206C	5148 bytes

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