PDF malware analysis — malicious · f571f6f0297e77e0

MALICIOUS

PDF

54.6 KB Created: 2021-09-20 04:46:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24

MD5: f356b824f18cdc10597857f81d4d06be SHA-1: 0fa01c12a2b432d78a8d74d0428d2d4c0ee35d23 SHA-256: f571f6f0297e77e000c2aa7ae768583c8e7f51110f670934f2026ab7ba88d11a

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs, including one that appears to be a redirector with UTM parameters, suggests a phishing or malware distribution attempt. The document body is heavily obfuscated, but the heuristics indicate the PDF is a link farm hosted on disposable domains, further supporting a malicious classification.

Machine Learning

Nyx PDF Classifier malicious score 0.7765

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://smidgel.ru/uplcv?utm_term=jojo%27s+fashion+show+2+free+download+for+android PDF link annotation
- http://detaycopymatbaa.com/userfiles/file/79926873271.pdfIn PDF document text
- http://graviroz.hu/ckfinder/userfiles/files/jadedofanosagikomefabe.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16133e6b01f3c0---92435368308.pdfIn PDF document text
- http://domoticasociale.it/immaginiNewsletter/file/tojugesijixe.pdfIn PDF document text
- http://krukewittfarms.com/userfiles/file/fajogifewamilerepopad.pdfIn PDF document text
- https://taptigrihnirman.com/singhania/downloads/file/62039959151.pdfIn PDF document text
- https://reha.bg/content/upload/file/wapajajuzupemebogeleso.pdfIn PDF document text
- http://nagyberki.hu/sites/default/files/fck_uploads/file/24312109737.pdfIn PDF document text
- http://bukharajohnscreek.com/sites/default/files/file/46045276498.pdfIn PDF document text
- https://ambient-interier.cz/files/files/kulogirezap.pdfIn PDF document text
- http://kaies.cn/upfiles/file/pomowikofiferifebujumelas.pdfIn PDF document text
- http://villa-margherita.biz/userfiles/files/83503149745.pdfIn PDF document text
- http://liga-stf.ru/i/upload/files/14180554051.pdfIn PDF document text
- http://neuchina.org/userfiles/file/jazasotakoworibas.pdfIn PDF document text
- http://www.mostenpo.jp/userfiles/files/59094120463.pdfIn PDF document text
- http://trongtinpc.com/luutru/files/wifurokoz.pdfIn PDF document text
- http://blackivy.pl/userfiles/file/21840861942.pdfIn PDF document text
- https://artedelvalle.cl/gal/files/file/vosit.pdfIn PDF document text
- http://iknow.pl/files/file/felolilakizatozobujifokut.pdfIn PDF document text
- http://aquaclub.hu/userfiles/file/kiwimovofezalidazilak.pdfIn PDF document text
- https://anbc31.iscriptscloud.com/app/webrIn PDF document text

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