PDF malware analysis — malicious · 2706c7109dab32a9

MALICIOUS

PDF

62.3 KB Created: 2021-08-08 19:52:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14

MD5: 78b28064cccfb37ffcca5c80956424ea SHA-1: b0f2de024164bc18ee9f6c60ec74fdd94ff21264 SHA-256: 2706c7109dab32a941d3df2e807357bac4c2514dcb93d28edcda5257247b4aae

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while some are marked benign, contribute to the overall pattern of directing users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.6031

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 link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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://angkagenap.com/contents//files/74356150979.pdf In PDF document text
- http://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/22138808529.pdfIn PDF document text
- http://mmdplus.com/userfiles/files/20210604_111636.pdfIn PDF document text
- http://webelievedin1984.com/clients/6/67/676624d6593aa512bfa6e10e765af00e/File/takasanosivalomozop.pdfIn PDF document text
- https://ochronaskory.pl/pliki_user/File/51771410570.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/spq24jqvmgde58kplo85qqbt01/sixubasewiridikutomububex.pdfIn PDF document text
- https://aashianarealty.com/file/33913010838.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/49t73rkta2kf2jeba6sdr31u45/gaforisi.pdfIn PDF document text
- https://tenfci.org/userfiles/file/kuxuzonojoser.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160afbdf8e5c38---91550476886.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/0obkfn9ljslg21kk1rg8apejke/26461737378.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=can+you+cheat+in+golf+clashPDF link annotation

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