PDF malware analysis — malicious · 9e41d2752d233e81

MALICIOUS

PDF

39.0 KB Created: 2021-09-18 08:56:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24

MD5: 138351dceb2a018400a437390450fa4a SHA-1: 275428f35ec30aa8cdccddaddd2a9620e35d9bc2 SHA-256: 9e41d2752d233e81c63f2e70284b64f57fd05c87e811d999f1057c1925a6ddb4

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its small size, image-heavy content, and embedded clickable actions. The heuristic 'PDF_IMAGE_LURE' indicates a common tactic where a screenshot is used to hide malicious links. Multiple external URLs were extracted, suggesting a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier further support the malicious classification.

Machine Learning

Nyx PDF Classifier malicious score 0.8588

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
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 39 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.
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 http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612edded17509---guxezudomajiri.pdf In PDF document text
- http://p-itos.net/admin/userfile/image/file/vupadazazisulapijis.pdfIn PDF document text
- http://dpholding.ru/uploads/files/wulitunidupegetezewowido.pdfIn PDF document text
- http://hopkim.vn/upload/files/74516325131.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/23679884196.pdfIn PDF document text
- https://umartravel.com/files/74979812778.pdfIn PDF document text
- http://sooam.com/files/fckeditor/file/388126613613584d9d1e30.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/64929316960.pdfIn PDF document text
- http://thsport.dk/userfiles/file/xulilodofufakasotuwupazof.pdfIn PDF document text
- https://9ja-bet.com/userfiles/file/xuwex.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/tosaguvogawilarij.pdfIn PDF document text
- http://wine-paraphernalia.com/files/winep/_repo/file/rujinuzonirux.pdfIn PDF document text
- https://bczenekar.hu/files/file/71644108109.pdfIn PDF document text
- https://pankajplast.com/ckfinder/userfiles/files/mavebalokepebanuderi.pdfIn PDF document text
- http://moveworldtogether.com/datas/files/10677972584.pdfIn PDF document text
- http://kzlo.pl/fotki/fotki/file/84471330873.pdfIn PDF document text
- http://ordineveterinarireggioemilia.it/userfiles/files/63158749914.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+fix+no+network+connection+on+androidPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.