Malicious PDF — malware analysis report

Static analysis result for SHA-256 b3c0f3004ad67833…

MALICIOUS

PDF

56.0 KB Authoring application: Mobipocket Creator
MD5: 84d7b977c226cc3adb37191899247ce5 SHA-1: c117d3255b24383ce9891468053e940aba7a346e SHA-256: b3c0f3004ad67833843f21c271abf6eb7972b82fc139d71b44cab149e0b12abf
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a lure document disguised as a pet tarantula care guide. It embeds a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, which is a strong indicator of malicious intent, likely for SEO manipulation or to distribute further malware. The ClamAV detection further confirms its malicious nature as Pdf.Phishing.TtraffRobotInstall. The embedded links are the primary IOCs, suggesting a phishing or content distribution attack.

Heuristics 4

  • 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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://namyangitaly.com/uploads/1/3/0/3/130313557/7747665.pdf
    • http://555-jeudirouge.fr/uploads/1/3/0/4/130436450/f4b671f91f344.pdf
    • http://utahdivorceconsulting.com/uploads/1/3/0/4/130436078/rafobupaxagibov-nirilulokaji.pdf
    • http://negocioconestilo.com/uploads/1/3/0/3/130313306/suzix-virib-wopimepexejise-fevadefu.pdf
    • http://mypyxy.com/uploads/1/3/0/6/130605347/bugotikepanomus-mabafax-dumumapazonuv.pdf
    • http://formormedia.com/uploads/1/3/0/6/130604243/30a03ae4902305.pdf
    • http://mycloset2yours.shop/uploads/1/3/0/6/130604382/bunimenekiga.pdf
    • http://alexcog.org/uploads/1/3/0/5/130539908/majigizo.pdf
    • http://zambiasafarihunting.com/uploads/1/3/0/4/130436399/130436399.html#pet+tarantula+care+guide

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000124f.bin
15e56eec257c1450ef2fb8b01058e05338db97e5f9825a9cb9d665e5b14a4f0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x124F 9352 bytes
font_01_sfnt_off000095fa.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95FA 16036 bytes

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