PDF malware analysis — malicious · 19ffdb937b88c9a7

MALICIOUS

PDF

120.7 KB Created: 2021-03-29 06:06:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23

MD5: eb215fc38f22ef272ec76671ecba7229 SHA-1: 209373e2ecbc070e82263a69fdf10962924bad92 SHA-256: 19ffdb937b88c9a78f6b2b076a3622c97e13e3bf9fd7918b6c5b05dc67ea370e

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file is classified as malicious, containing multiple external URIs and acting as a link farm on disposable hosting. The primary malicious URL identified is https://xezojetit.ru/award?keyword=ultrasound+gel+manufacturing+process+pdf, which is likely used to direct users to a phishing or malware distribution site. No scripts were extracted, but the PDF structure and heuristic firings strongly suggest a phishing or social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.7624

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://xezojetit.ru/award?keyword=ultrasound+gel+manufacturing+process+pdf PDF link annotation
- https://cdn.sqhk.co/xamozafi/qK9sWgi/gukupi.pdfIn PDF document text
- https://vavaxomutiposev.weebly.com/uploads/1/3/0/7/130738712/vewotajufevara.pdfIn PDF document text
- https://cdn.sqhk.co/kemuxilajig/MjbianJ/90335698266.pdfIn PDF document text
- https://cdn.sqhk.co/feripamapuv/vih2hhc/group_video_call_teams_free.pdfIn PDF document text
- https://cdn.sqhk.co/luwivimexu/djXgehj/vufofe.pdfIn PDF document text
- https://sekitajed.weebly.com/uploads/1/3/1/3/131383533/fd494e1fc16c0.pdfIn PDF document text
- https://cdn.sqhk.co/fuvonazavo/fSY14M2/pathfinder_weapon_master_s_handbook.pdfIn PDF document text
- https://d8acad56-eb9a-42d1-a06c-a695c5b02328.filesusr.com/ugd/0ad6c7_8a05ebacf2c046d1a296c8f3b5614cf6.pdf?index=trueIn PDF document text
- https://711920be-b761-4f0e-a604-762b26663b16.filesusr.com/ugd/ffcbea_a8412b6135a94225b2632da4440ec2b1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/26bd105f-1e53-4ebd-b84a-b91ddcb7025c/why_does_my_wahl_clipper_not_cut.pdfIn PDF document text
- https://4d75d3c9-3a4d-4df6-84ab-e48b83d723e5.filesusr.com/ugd/cdb50c_5fe93e5d8f644a029c6f2c341a873057.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ce15de30-dd3d-4612-8860-ffde6eb18409/zitudisokabonon.pdfIn PDF document text
- https://s3.amazonaws.com/gimisorixosu/vowedusawu.pdfIn PDF document text
- https://ea64ff4c-51e6-4efc-8cc1-399682447901.filesusr.com/ugd/961f18_74b4aba56d2e4c12b197d785d4961d67.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f6fcfc6a-08b4-4ace-8828-3b597ddfec20/map_of_fgcu.pdfIn PDF document text
- https://s3.amazonaws.com/rudelazifizuvo/profilaxia_endocardite_bacteriana_guidelines_2018.pdfIn PDF document text

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