PDF malware analysis — malicious · bf5f4df0a36c9a9f

MALICIOUS

PDF

104.9 KB Created: 2022-06-08 19:33:39 Authoring application: Minnesota Amendment To Contract For Deed Form alflowuc (via FPDF 1.82) First seen: 2022-07-15

MD5: 60548b9e009dc24d65b2cd531757b090 SHA-1: 96bf5d0dd79bee240b13885431723eb01bbab90e SHA-256: bf5f4df0a36c9a9f0a600f23fbe98d325b82a32a3603e8745c131b83bef6320f

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains multiple embedded links, with a critical heuristic identifying repeated invisible links designed to lure the user into downloading a payload. The primary malicious URL identified is http://adultsqualquer.site/Minnesota-Amendment-To-Contract-For-Deed-Form/pdf/www.mitchelladjusting.com. This suggests a phishing or malware delivery attempt.

Machine Learning

Nyx PDF Classifier clean score 0.0008

Heuristics 2

Invisible/repeated PDF links deliver payload file critical PDF_REPEATED_PAYLOAD_LINK_LURE

PDF uses invisible link annotations and points to a direct payload download. Repeated invisible links or lure-like payload names such as document/unlock/verify archives match malware-delivery PDF carriers where the page is only a prompt and the real payload is fetched from the linked URL.
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://adultsqualquer.site/Minnesota-Amendment-To-Contract-For-Deed-Form/pdf/www.mitchelladjusting.com
- http://adultsqualquer.site/Minnesota-Amendment-To-Contract-For-Deed-Form/doc/www.mitchelladjusting.com
- https://www.mitchelladjusting.com/wp-content/uploads/formidable/1/properties-of-metalloids-on-the-periodic-table.pdf
- https://www.mitchelladjusting.com/wp-content/uploads/formidable/1/primary-care-paramedic-level-i-certificate.pdf
- https://www.mitchelladjusting.com/wp-content/uploads/formidable/1/broadmoor-hotel-offer-code.pdf
- https://www.mitchelladjusting.com/wp-content/uploads/formidable/1/southern-university-transfer-requirements.pdf
- https://www.mitchelladjusting.com/wp-content/uploads/formidable/1/writting-a-work-reference-sheet.pdf
- https://www.mitchelladjusting.com/wp-content/uploads/formidable/1/kidde-nighthawk-carbon-monoxide-alarm-user-guide.pdf
- https://www.mitchelladjusting.com/wp-content/uploads/formidable/1/new-york-state-certificate-of-authority-form.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_014_off00019828.bin` `43b13684882d332187dbe2691d5e4f64c33a98e381a4dc2316374ba1b923b47c`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x19828	76950 bytes

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