PDF malware analysis — malicious · 8369c7e2c9dbf314

MALICIOUS

PDF

50.2 KB Created: 2021-03-22 14:29:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a0fc03b33e2e2f4fb16872f3c9d3cae7 SHA-1: d3b647827638402061696b8a78f691fff7facdda SHA-256: 8369c7e2c9dbf3143e4d58ee4ca311b0b6ece4437831fde97ebed4030b029fa9

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical of phishing campaigns, and contains multiple embedded URLs pointing to potentially malicious domains. The ClamAV detection and ML classifier further support its malicious nature, indicating it likely serves as a delivery mechanism for further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.8343

Heuristics 5

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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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://baarspo.ru/award?keyword=english+grammar+in+use+elementary+supplementary+exercises+pdf
- http://naturmilans.fun/mozibikisisij0784.pdf
- http://dfds.in/bigigewesotudrj47j.pdf
- http://50offstore.info/what_does_full_service_mean_at_a_gas_station0snfp.pdf
- http://lorubuxetorifa.medianewsonline.com/mini_cooper_service_shops_near_me.pdf
- http://pivojowemetobiv.mywebcommunity.org/alimentos_con_carbohidratos_complejos.pdf
- http://tevaruv.sportsontheweb.net/nesem.pdf
- http://gawajix.iblogger.org/40353544696.pdf
- http://rawiduti.medianewsonline.com/belkin_ac1600_range.pdf
- http://dejafonuzu.iblogger.org/32360570377.pdf
- http://fitness1.space/3810348549011iv3.pdf
- http://fenellalucynelle.info/root_board_game_app_storermwqa.pdf
- http://ritixibetono.mygamesonline.org/74513597459.pdf
- http://bumasujofoj.getenjoyment.net/61831569904.pdf
- http://sikadakomog.epizy.com/47383825341.pdf
- http://pabewuvuxaf.onlinewebshop.net/10041487722.pdf
- https://8b2103c5-345b-48fd-98e3-f19c90c4efd0.filesusr.com/ugd/0e2875_7aa888009cb0450fb5841d016ecf955f.pdf?index=true
- https://69cf8a46-0d3d-4b71-8fd1-93df925da18e.filesusr.com/ugd/e4064d_42958ae9f34f4e9f90ec7d10a6a5bcce.pdf?index=true
- https://d8acad56-eb9a-42d1-a06c-a695c5b02328.filesusr.com/ugd/0ad6c7_30ef7ad8b5334657bb986001d807a1d9.pdf?index=true
- http://vovakupalujum.onlinewebshop.net/fatofogikobidekojomu.pdf
- https://c064424b-11a8-4e39-a524-24a74bcd733d.filesusr.com/ugd/54e393_82d98cb4f8ef4f8ca02db9373b004b70.pdf?index=true
- https://dc6b22d1-fd3c-476a-b8f1-b0505981f591.filesusr.com/ugd/ab5adf_1f365d744dc441f4877fbc1b77e74b25.pdf?index=true
- http://kojokiguxan.epizy.com/42425323692.pdf

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