Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4b2a5c561836168…

MALICIOUS

PDF

49.6 KB Created: 2020-11-09 17:11:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 645877f588a0ab5511dc7eba45af87ee SHA-1: bb9fdf06a1f5f77099f92909818d37ee3933696d SHA-256: a4b2a5c56183616899d5a0a465a8f1b2f129be4f243a605d943abfecee49595c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL `https://traffmen.ru/aws?keyword=ramadan+2020+dates+iraq` is the primary indicator of malicious intent. While no scripts were explicitly extracted, the PDF structure and the presence of embedded URLs suggest an attempt to lure the user to a malicious site, likely as part of a phishing or malware delivery campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://traffmen.ru/aws?keyword=ramadan+2020+dates+iraq
    • https://baletepo.weebly.com/uploads/1/3/0/7/130776023/410380.pdf
    • https://sozivutapadonen.weebly.com/uploads/1/3/1/1/131164462/4302760.pdf
    • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/tevikaxubomubi.pdf
    • https://sojomirolasa.weebly.com/uploads/1/3/4/3/134325131/f8e77d3819.pdf
    • https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/vagik-rivinovogepix.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.opentle.org
    • https://s3.amazonaws.com/jufowokedunod/msn_hotmail_com_login.pdf
    • https://s3.amazonaws.com/tapexiw/afcat_2020_notification.pdf
    • https://uploads.strikinglycdn.com/files/0410dfdc-d4b6-4879-bac6-34d44bf5332d/16015479492.pdf
    • https://s3.amazonaws.com/lixuzo/18562166329.pdf
    • https://s3.amazonaws.com/vopadofugon/wuxipawimasowitanadavike.pdf
    • https://s3.amazonaws.com/tifuwuw/free_word_to_converter_small_size.pdf
    • http://scripts.sil.org/OFL
    • http://www.gnu.org/licenses/gpl.html

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000059e2.bin
35b59730964d536eaa783ffe088332e35bff218aa6b25ec0a77806a5be97f208		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59E2 5348 bytes
font_01_sfnt_off00006be7.bin
2cdc49877ff97fd7f5125b1003056cf42a34fb4f80feed9b2356facf698ca531		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE7 11480 bytes
font_02_sfnt_off00008c4b.bin
4c6a0702e005a801baa44136113b2229fd2b690030300849130a05f12145d3a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C4B 10980 bytes

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