Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffeef6f0615f8a10…

MALICIOUS

PDF

45.5 KB Created: 2020-04-16 06:31:52 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6cf934962b2d84e68745c2dbfe88942d SHA-1: ed58cf8753a325845c76246d316b4a457a5d826c SHA-256: ffeef6f0615f8a102d306efa0d8044dc63718b8e7569f4267a8aa04e2d188af8
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links likely serve to direct users to potentially malicious websites or for SEO manipulation purposes. The presence of multiple numeric and slug-based PDF filenames suggests an automated generation process for these links. No scripts were extracted from this sample.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://earthwalkjourneys.com/uploads/1/3/0/2/130270932/130270932.html#ahd+cctv+camera+full+form
    • http://www.double-a-printing.com/uploads/1/3/1/3/131379629/1028046.pdf
    • http://firstfamilyfleetservices.com/uploads/1/3/1/3/131397946/basigawolex.pdf
    • http://jmayoart.com/uploads/1/3/1/4/131409841/3276685.pdf
    • http://mailthevoteflorida.org/uploads/1/3/0/2/130271161/wutexodakewupil-degeb-tikinunimipenu.pdf
    • http://wigglebottomaussies.com/uploads/1/3/0/6/130621022/ninox_likeloxo_girakosinatime_piviviwamame.pdf
    • http://curtfongervoice.com/uploads/1/3/0/6/130621108/32668.pdf
    • http://danapowellenergy.com/uploads/1/3/1/0/131070195/0dce986.pdf
    • http://trybefitnessapp.com/uploads/1/3/1/6/131606815/9437630.pdf
    • http://patriotkelly.com/uploads/1/3/0/3/130323421/bc7d2b30.pdf
    • http://lavidacounselingcenter.org/uploads/1/3/1/3/131381411/turemujazo_vajolugat.pdf
    • http://lavidacounseli
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a1c.bin
77b18c93c1adb7aa9a4660918d2685b3d15b80d28424005847e7176ad5a82985		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A1C 8140 bytes
font_01_sfnt_off0000897e.bin
1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x897E 1388 bytes
font_02_sfnt_off000090e3.bin
8dd0433771f3bdf5af6ddd469aeaae706d0a2bc4aa7c234b035b1c6d9ad41b3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90E3 8348 bytes

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