PDF malware analysis — malicious · 7c01749163ffd45b

MALICIOUS

PDF

50.6 KB Created: 2020-12-23 10:46:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14

MD5: a8af4787d2f71d6abda38bd5781be06d SHA-1: 4f99f2ec803e54eafe93e654a3c564e6c5998292 SHA-256: 7c01749163ffd45b6204e50e01bcad354a4dd101c064a38a0f4abecfa2b8752d

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and is flagged by heuristics as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the presence of numerous external links points to the document's primary function as a lure to potentially malicious websites.

Machine Learning

Nyx PDF Classifier malicious score 0.7962

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://trafffe.ru/strik?utm_term=survival+city+zombie+base+build+and+defend PDF link annotation
- https://lujigoget.weebly.com/uploads/1/3/4/4/134482608/juvopavusunamos_kufevog_watidar_lizavarib.pdfIn PDF document text
- https://tadonajates.weebly.com/uploads/1/3/4/3/134319020/bufukozenabe.pdfIn PDF document text
- https://tewazaxapij.weebly.com/uploads/1/3/4/8/134873756/2938697.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376875/normal_5fc2a28417c0d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366402/normal_5f87c482d8088.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381541/normal_5fd7a4a2202c0.pdfIn PDF document text
- https://valazasabo.weebly.com/uploads/1/3/1/3/131398294/5857288.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/262b92c6-b149-4de2-aac6-1677c244c681/suvewowekunutu.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdee2d7acac6192a8548e8/1606282802843/sakowulomarutowegulizib.pdfIn PDF document text
- https://s3.amazonaws.com/limepusotanal/mizixiwoxibegorewid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59b19e27-0d44-4d75-8fb5-845e75e680c9/74395868526.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2af903a1-1e15-4557-9a29-6b572205e34e/wuzodurugetatekegofa.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0d70dc14dfd36fef128e0/t/5fc14cec7acac6192af0de83/1606503661611/ibuprofen_and_tramadol_at_the_same_time.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b0ca756-6cb6-4821-abde-dd1b62dd44b1/freemyapps_hack_apk.pdfIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000bb73.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBB73	3316 bytes
SHA-256: `e6f17e86a218c5303da7f01ad71c6d9a1b5e17c9d4d4e72c91a7ce53081c2121`

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