PDF malware analysis — malicious · c3b9c0b84379005c

MALICIOUS

PDF

46.9 KB Created: 2020-11-19 22:58:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6c5be1752f1c06112e22f222b6a4f748 SHA-1: 2e465ee82dc216e1f13151a6d34502c408dc7d78 SHA-256: c3b9c0b84379005cdcce1ed31afdcb3c5a2497b8382d8fdf838640fadf3488e3

262 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document functions as a phishing lure, employing a screenshot to conceal clickable links. It contains numerous links, including one pointing to known malicious redirector infrastructure at https://traffmen.ru/123?utm_term=apk+movie+apps+free. The presence of multiple external links hosted on disposable domains suggests an attempt to distribute further malicious content or phish for credentials.

Machine Learning

Nyx PDF Classifier malicious score 0.5675

Heuristics 6

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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 46 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.
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://traffmen.ru/123?utm_term=apk+movie+apps+free
- https://falojabuvo.weebly.com/uploads/1/3/4/7/134774067/4119485.pdf
- https://kupanonul.weebly.com/uploads/1/3/4/6/134682697/nujolabunef_sovevamuzuri_xuwaxesasiw_magosezogife.pdf
- https://nuxagaselupig.weebly.com/uploads/1/3/4/0/134016775/2215263.pdf
- https://zubumipe.weebly.com/uploads/1/3/4/7/134715483/sexudikodoro-duputanad-nigogivo-dozatoviwugose.pdf
- https://fupebabo.weebly.com/uploads/1/3/4/6/134601971/rawipa.pdf
- https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/duninojubebubupuki.pdf
- https://degujipimisa.weebly.com/uploads/1/3/1/4/131453395/vonolefetorenuj_sasazowopu_fasivezatutu.pdf
- https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/4535287.pdf
- https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/tusiwisotoloko_dizofipa_nuxer.pdf
- https://uploads.strikinglycdn.com/files/90e7e0f9-8bca-4f92-b0e8-d89d7d89f02a/gafofijipomaregevov.pdf
- https://uploads.strikinglycdn.com/files/872fdf45-57ab-4640-a33b-ef1de8c02dca/sort_dataframe_alphabetically_by_column_r.pdf

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