Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f5118af5d7b1674…

MALICIOUS

PDF

508.8 KB Created: 2020-10-03 12:34:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e39dd6f8a6b39cdbedd090cd3199f89 SHA-1: c3365ccd875135753bedf390c64cf4af5f51fd9d SHA-256: 9f5118af5d7b1674bdf0bcbd6c41357d1514fdbaf2ccf0c628102c972096fc8f
68 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains an embedded JavaScript stream and a critical heuristic firing indicates a malicious redirector link. This link, 'https://ttraff.club/pify?keyword=process+dynamics+and+control+4e+pdf', is designed to redirect the user to a potentially malicious site. The document body, though heavily obfuscated, contains references to the URL, suggesting it's part of the lure. The overall pattern points to a phishing attempt disguised as a document download.

Heuristics 3

  • 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 JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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.club/pify?keyword=process+dynamics+and+control+4e+pdf
    • https://site-1036938.mozfiles.com/files/1036938/walire.pdf
    • https://site-1037157.mozfiles.com/files/1037157/dipeteva.pdf
    • https://cdn.shopify.com/s/files/1/0435/6964/3675/files/hvac_licensing_study_guide.pdf
    • https://cdn.shopify.com/s/files/1/0500/0108/4566/files/48441562196.pdf
    • https://cdn.shopify.com/s/files/1/0484/9713/1670/files/guide_gear_truck_tent.pdf
    • https://cdn.shopify.com/s/files/1/0439/0980/8280/files/cs_lewis_till_we_have_faces.pdf
    • https://cdn.shopify.com/s/files/1/0432/4923/8179/files/surface_area_of_a_triangular_prism_worksheet_free.pdf
    • https://cdn.shopify.com/s/files/1/0478/0136/8743/files/zibute.pdf
    • https://uploads.strikinglycdn.com/files/c150cdc3-39f4-4084-877b-e2edf3a948b7/39299617575.pdf
    • https://uploads.strikinglycdn.com/files/fdf784f5-892b-4dc0-8f29-01cb24288b95/sawuwixez.pdf
    • https://uploads.strikinglycdn.com/files/e37a4a86-a14b-472c-9dfb-a1a1dbfb8de9/70424810780.pdf
    • https://uploads.strikinglycdn.com/files/69c04699-50ce-4906-b542-e242b7dbcb2a/gifajupobetus.pdf
    • https://uploads.strikinglycdn.com/files/2b4b6ac5-0947-499c-8fb4-66e599e4ac0e/sumulaborebifupidimexovaf.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00070efc.bin
c24bb301b8bb48c25d7233227c4b84a9a4634658be11b56f3db728eab19bb4e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70EFC 7916 bytes
font_01_sfnt_off00072394.bin
a9404f961c91384cc35f9152f3677f9a8b01085f977781c3865669f64bebe48a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72394 22432 bytes
font_02_sfnt_off00075d6d.bin
bee884cc72e89962084205467899f551d932a0c4ae2d8b18d98b5f3434bf2abf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75D6D 5492 bytes
font_03_sfnt_off00077019.bin
2df30c64b97ccb2843abf29c5a8ff3ba720237445e9a583b0b2f07585fdb381c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77019 8976 bytes
font_04_sfnt_off000781d8.bin
a9a27ea6f25962ea2415687b6e2509dd4603c6764ee72d910c0b38403506a47a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x781D8 2472 bytes
font_05_sfnt_off00078c19.bin
32a6f8479202321755b345e739cf5ff14c486eeecef8a4292ffaf42baece7bfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78C19 20344 bytes
font_06_sfnt_off0007cb8a.bin
f2633897e702392b35965de3a690d0f99f659e9a4f55149593dce9cedf2aa087		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB8A 16392 bytes

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