PDF malware analysis — malicious · 6bc6cda63c9272b9

MALICIOUS

PDF

53.1 KB Created: 2021-03-11 10:12:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 614b3ae32703b2e5372e104a0c7cb786 SHA-1: 545bb571662f197288e254eb05a24e633305f2b4 SHA-256: 6bc6cda63c9272b9e558a484d34a922b1bd60fa9c309f2df21cd22a83a7e434c

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains multiple embedded URLs, with one prominently featured in the heuristics as an external URI pointing to a suspicious domain. ClamAV detection and ML classification indicate malicious intent, likely related to phishing or malware delivery. Although no scripts were extracted, the presence of numerous links and the heuristic findings suggest the document is designed to redirect users to malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.6909

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://gimoguvi.ru/award?keyword=plant+adaptation+worksheet+pdf PDF link annotation
- http://repair-telefonov.ru/vertigo_remedies_video1kcwv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412584/normal_5fd6742c4aea6.pdfIn PDF document text
- http://drive4mclanemilwaukee.com/aha_bls_questions_and_answers_2020o8ii7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368736/normal_602aa03edde91.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418191/normal_6028f91aba86a.pdfIn PDF document text
- http://romeoplanet.club/juxotijawixajesubapiwiramxknws.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385424/normal_5fe41d9210ee8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410004/normal_5fc7f1f6617f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483103/normal_602d29c9a1f39.pdfIn PDF document text
- https://8d90b851-447f-4cfc-ac95-1e867b71b983.filesusr.com/ugd/b371d9_07f379d20fca40c9a21f7a1f0d0527ee.pdf?index=trueIn PDF document text
- https://1c92f6d8-19eb-429c-9239-1cf6be91372f.filesusr.com/ugd/cc1a03_b816e8603c7b4fbb96a5d6d3f294f73b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bidurudilidujug/calvin_klein_business_shirts_size_guide.pdfIn PDF document text
- http://sekevidijonuji.rf.gd/31492769528.pdfIn PDF document text
- https://s3.amazonaws.com/vofadoloves/eleanor_and_park_happy_ending.pdfIn PDF document text
- http://gozefanilufi.epizy.com/what_is_your_primary_business_activity.pdfIn PDF document text
- http://nakepusigazu.epizy.com/fried_eggs_on_sheet_pan_in_oven.pdfIn PDF document text
- http://rozatibex.rf.gd/afterglow_ps3_controller_usb.pdfIn PDF document text
- https://d05b2b94-0af3-401c-a6ef-75d00d0b58ae.filesusr.com/ugd/3bca44_bb344cac33b64dd9b180d6ee10e03be6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jojitagifuva/high_cholesterol_treatment_guidelines_2017.pdfIn PDF document text

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