PDF malware analysis — malicious · b05970470bf4bd00

MALICIOUS

PDF

32.3 KB Created: 2020-10-30 05:57:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: df101b0323492ead53225cd979d71122 SHA-1: d60ec9df899df3cff9ab73cb6eb9adfb03df5714 SHA-256: b05970470bf4bd0007525b00a9ce738a22cb0d09d684ab96ebdc6b59c4d9beb0

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'https://ttraff.me/123?keyword=2dl+to+oz' is the primary indicator of malicious intent. The document body, though heavily obfuscated, also contains this URL, reinforcing its role in the attack. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9994

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://ttraff.me/123?keyword=2dl+to+oz
- https://cdn-cms.f-static.net/uploads/4367964/normal_5f8acd9435979.pdf
- https://cdn-cms.f-static.net/uploads/4379849/normal_5f8b40c732ffb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/5448/8990/files/rss_player_for_tv_box_apk.pdf
- https://uploads.strikinglycdn.com/files/78fa5739-ac84-4165-935e-78b908934953/30908152550.pdf
- https://cdn.shopify.com/s/files/1/0499/3092/8289/files/similarity_aa_sas_sss_or_not_worksheet_answers.pdf
- https://s3.amazonaws.com/jukezeluf/rocketman_movie_script.pdf
- https://cdn.shopify.com/s/files/1/0503/8122/6158/files/nemimoxotumom.pdf
- https://s3.amazonaws.com/xatojem/gemikitizivodekini.pdf
- https://uploads.strikinglycdn.com/files/91c5c589-eb5c-42af-b5cc-17ce2edc5bb5/read_battlefield_of_the_mind_online.pdf
- https://uploads.strikinglycdn.com/files/6fc2a092-29f0-4e90-abe5-2d4e6db41a4d/free_mouse_pad_mockup_download.pdf
- https://s3.amazonaws.com/libowebujakux/tilitofatifeligeka.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000058f2.bin` `9bd96c466bc1f8ade81c46a3d47ef46678315306d206a53a06935dd94924112a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x58F2	4420 bytes

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