Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6c007af63ccbdf4…

MALICIOUS

PDF

99.9 KB Authoring application: Serif PagePlus
MD5: 5ebc4dba2f90eb034d805664b140937b SHA-1: ee8a55e8de1839c02eed2158a8a167d198aaccc6 SHA-256: c6c007af63ccbdf4b30d7cf4cb75188a3f8311f8223bb7c4dc967b7478f2e669
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files, a common tactic for SEO poisoning and phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing classification. The document body, though partially corrupted, contains a search query for "Dr br ambedkar books pdf", suggesting a lure to attract users searching for specific content. The embedded URLs are likely used to redirect users to malicious content.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://nolaninc.net/uploads/1/3/0/5/130540282/bawaxisurupu.pdf
    • http://skillsbyhillz.com/uploads/1/3/0/5/130539021/vogarepagegubit.pdf
    • http://monicarayscott.com/uploads/1/3/0/4/130483912/1613982.pdf
    • http://sofiatimotheou.com/uploads/1/3/0/5/130551112/d9ee658a553.pdf
    • http://modaallettante.com/uploads/1/3/0/5/130590478/banilatusabuba-fadex-pujadubinemufep.pdf
    • http://clucktruckportland.com/uploads/1/3/0/4/130488244/130488244.html#dr+br+ambedkar+books+pdf

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011a7.bin
08e76eb8981e8e2f307923144e1a226c6ad7a5f3cda4d6cd4b1d5a8a94619cdb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11A7 9540 bytes
font_01_sfnt_off00009c90.bin
7863b829de04ea8b7f5be4d5dae43fa62182e7611f0c3a300d10b316d27db496		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C90 2732 bytes
font_02_sfnt_off0000a728.bin
3273bbdc4c137f71797dd689b1fffcc150af3121e7e1008ae9c80c458b4d01da		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA728 11288 bytes

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