PDF malware analysis — malicious · 3de45721c9cbf3fa

MALICIOUS

PDF

55.7 KB Created: 2021-03-18 17:29:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c5d1c55c33f6bf3e4a227fb7c0df000b SHA-1: abcd1853626fbc19f0ae2b52cf37b633790f81c6 SHA-256: 3de45721c9cbf3fa2b7634522cc5e741360b62888c117950094cdf5ba46e0a0c

174 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by multiple heuristics, including ClamAV and an ML classifier. It functions as an image-only lure, typical of phishing campaigns, directing users to external URLs. The presence of a large number of external links suggests a link farm designed to improve SEO for malicious content or to distribute payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.7005

Heuristics 5

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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 55 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://dugedepap.ru/award?keyword=tipos+de+anomalias+cromosomicas+estructurales+pdf
- http://kadabafomelu.66ghz.com/animal_world_2018_full_movie.pdf
- https://bovejivisesuja.weebly.com/uploads/1/3/1/3/131384116/xitojetefug.pdf
- https://sufifova.weebly.com/uploads/1/3/4/7/134736026/4ad742b799.pdf
- https://static.s123-cdn-static.com/uploads/4417648/normal_5fe55d9dc7d11.pdf
- https://bufumuwo.weebly.com/uploads/1/3/1/3/131398085/sigafezavovowozutimi.pdf
- https://gejidodedawo.weebly.com/uploads/1/3/4/0/134018108/bfab9ff013.pdf
- http://pawusofadezozep.22web.org/15464558755.pdf
- https://cdn-cms.f-static.net/uploads/4407066/normal_5fd266436d1ce.pdf
- http://doworevo.22web.org/south_carolina_drivers_manual_2018.pdf
- https://donabetolemi.weebly.com/uploads/1/3/1/6/131637402/birimipafuk-boxoj.pdf
- https://static.s123-cdn-static.com/uploads/4369904/normal_5fc8294c3948d.pdf
- http://wenafebadutaw.rf.gd/42810882652.pdf
- http://mesujexu.rf.gd/ladifobovew.pdf
- https://38f9ccf9-db33-4582-994d-0ea518e52d38.filesusr.com/ugd/368de4_070e6b7f476e4cae89d1a7a0384ecd11.pdf?index=true
- https://e8677ced-6330-435e-8237-200fb10408a4.filesusr.com/ugd/a4c1fa_5ae1ca1941df4213a2904c0432cb0678.pdf?index=true
- https://uploads.strikinglycdn.com/files/17aba3bb-f81c-4801-a1e9-ccfab006a735/what_is_burger_kings_vegetarian_burger_made_of.pdf
- https://7f06b679-e14d-4525-8955-d56a7cf6f710.filesusr.com/ugd/79e5df_a55e4429b5c446fdbf82334eee6c20af.pdf?index=true
- https://5e86d2bf-4ad8-496a-9e8d-bde47e9cd161.filesusr.com/ugd/b56239_e748b8380ed64e5b97c60eed4b2a95eb.pdf?index=true
- https://6cdf8c5e-36a0-4b6d-987f-32d3d50030cd.filesusr.com/ugd/3c2e2e_9d22446144234eb5b7c16a7fe933201a.pdf?index=true
- https://03ca3561-abfe-48ca-9b59-b1b2b77f8126.filesusr.com/ugd/1af49e_6dff88ec3191456ab0ad86750ecd1ccb.pdf?index=true
- https://uploads.strikinglycdn.com/files/354714be-1dc2-42a1-9a64-c1d5a00abddd/podupupipugegepudinibab.pdf

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