PDF malware analysis — malicious · 71299b0e345bd562

MALICIOUS

PDF

50.6 KB Created: 2021-03-27 22:51:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 104283022b84a9704a1ded9561e50e7c SHA-1: 53a0ff9f19d6184172b1b5152774ae88812315a3 SHA-256: 71299b0e345bd562d2d9183c3376502faa9a917b1da0d7a05aa1f4a58e55d22c

174 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by ClamAV and ML classifiers, exhibiting characteristics of a phishing lure. It contains an image-based overlay and numerous external links, suggesting an attempt to redirect users to malicious websites or download further payloads. The presence of multiple PDF links, some with numeric slugs, indicates a potential SEO poisoning or link farm strategy to distribute malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.7228

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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 50 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://jacksth.ru/aws?utm_term=the+art+of+the+personal+essay+an+anthology+from+the+classical+era+to+the+present+pdf
- https://cdn-cms.f-static.net/uploads/4404296/normal_60484af2ef9b3.pdf
- https://cdn.sqhk.co/wanadujogo/9FiajaB/damawararitapepikeke.pdf
- https://cdn-cms.f-static.net/uploads/4414701/normal_5fe6614a15909.pdf
- https://cdn.sqhk.co/sazalevimit/eSJijna/stupid_zombies_2_snow_day_34.pdf
- https://cdn-cms.f-static.net/uploads/4392191/normal_5fd644a641b61.pdf
- https://cdn-cms.f-static.net/uploads/4375694/normal_5fd685b347c79.pdf
- https://cdn-cms.f-static.net/uploads/4383925/normal_5fd61158b467d.pdf
- https://cdn.sqhk.co/vibisidumes/vgyhfib/fruit_rabbit_bubble_gum.pdf
- https://cdn-cms.f-static.net/uploads/4459163/normal_605e1b652d337.pdf
- https://cdn.sqhk.co/porekige/gcehaie/boxing_schedule_espn.pdf
- https://cdn.sqhk.co/bepesewutu/flBijt3/paper_plane_doodle_step_by_step.pdf
- https://uploads.strikinglycdn.com/files/7cf51a4f-d11a-4651-8e0a-bd2cff5b4fca/pathfinder_npc_codex_trove.pdf
- https://19f621d4-ab03-49b5-bf1d-c78de40104d4.filesusr.com/ugd/bc84a3_a8feb6a32fc14691ab2a4a880aea1207.pdf?index=true
- https://uploads.strikinglycdn.com/files/2e4b7164-c33d-4795-8cff-50bc3d6024b5/tijoxun.pdf
- https://uploads.strikinglycdn.com/files/adee372c-26a7-4f66-8ce2-2e13da3df63a/how_to_change_oral_b_vitality_brush_head.pdf
- https://uploads.strikinglycdn.com/files/b7b2a6a1-2505-405e-9e4b-8b4e07b5a435/the_republic_of_tea_organic_immunity_supergreen_tea_-_36_bags.pdf
- https://uploads.strikinglycdn.com/files/d6c2b556-81b8-479d-8666-c324d9d9cbb3/can_i_learn_python_in_a_week.pdf
- https://83d12552-0bc1-4415-b221-1da25caacb9b.filesusr.com/ugd/1e11d0_74ea6899a52d47a3bec104585819c26d.pdf?index=true

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