PDF malware analysis — malicious · bb1381733dfba569

MALICIOUS

PDF

52.6 KB Created: 2021-01-16 15:21:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 1194a47d924749d955649965f436a3a4 SHA-1: f79c597d7fcaf894f9126a13a18d1dd9eff81318 SHA-256: bb1381733dfba56928a60020c7e629fd2e24b690111437f8a6eac1c26e1f5d1a

252 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file functions as a lure, masquerading as a free brand identity manual template to entice users to click on malicious links. It employs a link farm strategy, directing users through a redirector to further malicious PDF content, likely to download additional payloads or phish for credentials. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.7516

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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://traffine.ru/aws?utm_term=brand+identity+manual+free+template In PDF document text
- https://site-1177113.mozfiles.com/files/1177113/47155742957.pdfIn PDF document text
- https://cdn.sqhk.co/numokafas/ieifhhx/snowball_drag_the_balls_in_a_snowball_fight.pdfIn PDF document text
- https://site-1171661.mozfiles.com/files/1171661/56399671060.pdfIn PDF document text
- https://cdn.sqhk.co/delojiwuguj/yNHfidI/89009210866.pdfIn PDF document text
- https://site-1166673.mozfiles.com/files/1166673/disposable_face_masks_near_me_for_sale.pdfIn PDF document text
- https://cdn.sqhk.co/pegidago/s3pKEhc/50904466920.pdfIn PDF document text
- https://site-1175580.mozfiles.com/files/1175580/parezuruluromemirolozeko.pdfIn PDF document text
- https://cdn.sqhk.co/bovokolel/dRahghi/90511066466.pdfIn PDF document text
- https://cdn.sqhk.co/zarudaletok/ucgcBQO/find_my_landroid_gps.pdfIn PDF document text
- https://dawemewi.weebly.com/uploads/1/3/4/7/134747996/923376.pdfIn PDF document text
- https://cdn.sqhk.co/sileluzorupo/hehegcC/mhw_builder_lite.pdfIn PDF document text
- https://cdn.sqhk.co/kerutadit/eihghge/winter_warlock_quotes.pdfIn PDF document text
- https://cdn.sqhk.co/gufezitaxato/2ExaSyq/nuzawavizavo.pdfIn PDF document text
- https://s3.amazonaws.com/tutasujal/18374120270.pdfIn PDF document text

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