PDF malware analysis — malicious · b798ab3ed31e8452

MALICIOUS

PDF

34.7 KB Created: 2020-11-06 19:56:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8d9e2ff12cd6507e029a15a0cc1ddce8 SHA-1: 3d8845058472000f4d5f92a886997937d3f1dd64 SHA-256: b798ab3ed31e8452dda06f383f6dd76de9ef237761a3c1ed3f7952b6c9c81aff

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a link to a known malicious redirector, which is likely intended to lead the user to a phishing or malware distribution site. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector, suggesting a lure related to a product manual. No scripts were extracted, but the presence of a malicious redirector and the ML classifier's high confidence indicate a high likelihood of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 2

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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://ggtraff.ru/aws?keyword=samsung+powerfoam+vrt+manual
- https://likojekiputisi.weebly.com/uploads/1/3/4/5/134576895/5875006.pdf
- https://cdn-cms.f-static.net/uploads/4411700/normal_5f9e7ced4fa62.pdf
- https://cdn-cms.f-static.net/uploads/4461523/normal_5fa501fecc209.pdf
- https://sewuvemap.weebly.com/uploads/1/3/4/3/134377394/tanibe.pdf
- https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/35b4f1600cf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/lixuzo/adobe_photoshop_cs5_serial_number.pdf
- https://uploads.strikinglycdn.com/files/ed9c3d71-7d11-4f1b-8323-8a807b61e956/xemorebifovijuwas.pdf
- https://uploads.strikinglycdn.com/files/cb6bb7df-3736-4d5a-95b4-f41a5807377f/abnormal_softening_of_the_nails_is_called.pdf
- https://s3.amazonaws.com/rujimidujek/60556259036.pdf
- https://uploads.strikinglycdn.com/files/fc5af117-15dd-4a0e-806b-748b8a6283d2/bovasudofat.pdf
- https://uploads.strikinglycdn.com/files/b0acac26-c34c-4c1a-9446-7da7bbb08e66/happy_birthday_to_you_dr_seuss_words.pdf
- https://s3.amazonaws.com/mamibis/jillian_michaels_banish_fat_boost_metabolism_download.pdf
- https://s3.amazonaws.com/gifojuxaxeva/27557500183.pdf
- https://uploads.strikinglycdn.com/files/f0b80ab7-c660-4714-99ea-b0f04de8fa1e/kivavuko.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000668c.bin` `1cf0c0f5e99ec7da35dde25db1bfde4c902c27f0b1ebaf43eee7926aa6c63f4e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x668C	5476 bytes

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