PDF malware analysis — malicious · 365abfaa12628b33

MALICIOUS

PDF

63.0 KB Created: 2020-11-26 03:56:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 03b0f7574c5f9291d6bf66a0876a0b39 SHA-1: b092a57990e635e41fa4ba1514c7487a01e0d0c8 SHA-256: 365abfaa12628b336ba7ed3ec51829ee0164ead56e7be804bee36eddfc56e596

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a suspicious domain, and ClamAV detection confirms its malicious nature. The ML classifier also flagged it with high confidence. While no explicit script was extracted, the presence of an external URI suggests an attempt to download a secondary payload, likely for phishing or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.8355

Heuristics 3

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://trafffi.ru/strik?utm_term=western+civilization+spielvogel+9th+edition+pdf
- https://cdn-cms.f-static.net/uploads/4427086/normal_5fa342cb8812a.pdf
- https://cdn-cms.f-static.net/uploads/4503050/normal_5fbed2bd8ac07.pdf
- https://cdn-cms.f-static.net/uploads/4408865/normal_5fafd17868e59.pdf
- https://cdn-cms.f-static.net/uploads/4454988/normal_5fb6ee2ebae8f.pdf
- https://cdn-cms.f-static.net/uploads/4408858/normal_5fb9ede16e823.pdf
- https://cdn-cms.f-static.net/uploads/4367964/normal_5faf9cb8c1b80.pdf
- https://cdn-cms.f-static.net/uploads/4421218/normal_5fa20fc99cdb5.pdf
- https://cdn-cms.f-static.net/uploads/4384299/normal_5f937ed32289d.pdf
- https://cdn-cms.f-static.net/uploads/4501028/normal_5fb28fb3d7544.pdf
- http://www.opentle.org
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/kevava/dnd_5e_non_attunement_items.pdf
- https://uploads.strikinglycdn.com/files/dbb47277-3710-4f37-be99-59309bf20480/75257788715.pdf
- https://s3.amazonaws.com/lixuzo/fairfield_university_bursar_login.pdf
- https://uploads.strikinglycdn.com/files/319784f1-3042-4468-845f-e4f6324cc99f/laresufuve.pdf
- http://www.gnu.org/licenses/gpl.html
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000d4f1.bin` `c9c3b66436798891088cea8328e7b5a59159d4dd491e03be5b824cc7edb7d68f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xD4F1	14876 bytes
`font_00_sfnt_off0000c183.bin` `c432c3bb7f703a8aaec35a4efc89583cfc154bfa95bdf14dd90a0dbcbdc75bfc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC183	5696 bytes

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