PDF malware analysis — malicious · 683e23b4eb71a468

MALICIOUS

PDF

52.6 KB Created: 2020-12-03 15:29:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 65be9223ead6e4559f53e8270f9a1b78 SHA-1: 8552c2ff75184ebe3c1b73ca20c008d7db20cbf9 SHA-256: 683e23b4eb71a468593bab506b5997d1b29ccb4cd7a1d8da65693a3a8553e052

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which are to PDFs with numeric slugs, suggesting a link farm for SEO manipulation or to host malicious content. The ClamAV detection and ML classifier indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9325

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-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://trafftec.ru/aws?utm_term=amoeba+sisters+human+body+systems+worksheet
- https://daletutanedura.weebly.com/uploads/1/3/1/6/131636587/9680832.pdf
- https://mazazogadof.weebly.com/uploads/1/3/4/3/134374066/zevepezonojovi-somiludovebibul-foxapum-niniwanonej.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdf67561e25426e1fe75b0/1606284918455/81289537709.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf49cb18e72e5fdbcdbed0/1606371788944/vivukezesekuzemutabikota.pdf
- https://static1.squarespace.com/static/5fc0fe012e537a05ef0995e2/t/5fc3bef12dd96f591860360b/1606663922407/selena_y_los_dinos_movie.pdf
- https://static1.squarespace.com/static/5fc645e29955c744b55fee38/t/5fc6b7d4ad3e6411922c015a/1606858708584/tiktok_booster_likes.pdf
- https://s3.amazonaws.com/gotenukevepunin/68808548309.pdf
- https://static1.squarespace.com/static/5fc14df88ef7301f8b137930/t/5fc760c0c7c45a5eafa58093/1606901952677/shaq_fu_a_legend_reborn_voice_actors.pdf
- https://s3.amazonaws.com/kakekojezutok/susan_dey_movies.pdf
- https://static1.squarespace.com/static/5fc0d766a3bf4b14aba8e616/t/5fc48e16a97599144e8a50fe/1606716950557/tulisureguri.pdf
- https://s3.amazonaws.com/tokit/lofunemaxuxutogumubanasiw.pdf
- https://static1.squarespace.com/static/5fc36737bdb33045eed226b2/t/5fc4d41861e25426e1cfdaa2/1606734873655/bts_concept_photos_love_yourself_answer.pdf
- https://s3.amazonaws.com/lizuseguwix/pubg_mobile_controller_android_setup.pdf
- https://static1.squarespace.com/static/5fbfd1e0c89e1c4b8fb81223/t/5fc573073485235c867f7d5a/1606775560019/nilaw.pdf
- https://s3.amazonaws.com/suxiweke/b_ed_form_2019_kanpur_university.pdf
- https://s3.amazonaws.com/mesixadelomomo/dawitefakazeg.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf14e72f8b574a0f239ff/1606218063805/james_hetfield_wikipedia_espaol.pdf

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