PDF malware analysis — malicious · ce60076ca92a4595

MALICIOUS

PDF

39.0 KB Created: 2021-04-24 05:49:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: c7439cf8ee6a72dabccc08f0356714a5 SHA-1: dbcee58b652b57e25c00faa77ba4a500a1674187 SHA-256: ce60076ca92a4595dd45c3ffcb5733a0dd02f39722a342b96016b6c0eaa6ed73

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF is identified as a phishing lure due to its small size, image-heavy content, and embedded clickable link. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it is designed to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.7452

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 38 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 https://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/22559513310.pdf In PDF document text
- https://www.visitsavannah.com/sites/default/files/webform/59391310887.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/foxegedukob.pdfIn PDF document text
- http://www.guninetwork.org/system/files/webform/heirri_proposals/74543186253.pdfIn PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/17947704001.pdfIn PDF document text
- https://architecturaldesigninc.com/sites/default/files/masugikiretige.pdfIn PDF document text
- https://www.osgeurope.com/sites/osg-corporate.dev/files/webform/10654010608.pdfIn PDF document text
- http://pilgrimland.com/sites/default/files/webform/resume-uploads/61975266633.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=does+cvs+have+free+blood+pressure+checkPDF link annotation
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/65910459182.pdfIn PDF document text
- https://gradfutures.princeton.edu/system/files/webform/16157352895.pdfIn PDF document text
- https://gradfutures.princeton.edu/system/files/webform/25860956451.pdfIn PDF document text
- https://thesanfordschool.asu.edu/sites/default/files/webform/85266863194.pdfIn PDF document text
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/wutiladerotegedubel.pdfIn PDF document text
- https://lib.asu.edu/system/files/webform/46247033309.pdfIn PDF document text
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/44438097533.pdfIn PDF document text

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