Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d53d330d686b459…

MALICIOUS

PDF

83.0 KB Authoring application: Soda PDF
MD5: 447194db1f858524a369fd862400edcd SHA-1: fabd59ea809e7a067d7a218075f3051cbe3a3042 SHA-256: 1d53d330d686b459721d305aa1ea4755c07a5ad73d7b5c492599b0393ee14077
128 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified as a 'PDF_SEO_LINK_FARM' heuristic, suggesting a phishing or malware distribution attempt. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this. The document body, though heavily obfuscated, contains references to URLs that likely lead to malicious content. No scripts were extracted from this sample.

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://privateinvestigatorsthailand.com/uploads/1/3/0/4/130436258/mojumetabos_totuwisit.pdf
    • http://newcodercamp.com/uploads/1/3/0/5/130588393/4ec5fa1bb734a9e.pdf
    • http://curavidacenter.com/uploads/1/3/0/5/130547142/vudoxavovaw.pdf
    • http://arisaig.org/uploads/1/3/0/5/130546742/7839725.pdf
    • http://classythemes.com/uploads/1/3/0/4/130476709/goromu_wapujusewaz_leruraveme.pdf
    • http://discovertherealyou.org/uploads/1/3/0/4/130476082/1928015.pdf
    • http://www.chaireit.com/uploads/1/3/0/4/130483270/1026e2c.pdf
    • http://pirrellofamily.com/uploads/1/3/0/5/130588151/lijibabosarorun.pdf
    • http://infusionsafety.com/uploads/1/3/0/5/130551251/jatijov.pdf
    • http://www.familylifeinsuranceonline.com/uploads/1/3/0/8/130874201/dojabejekebisad.pdf
    • http://hello-baby-toys.com/uploads/1/3/0/7/130739212/130739212.html#kiran+publication+ssc+reasoning+book+pdf+in+hindi

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001bd4.bin
3b027aba1da83aaecc63a3c0f09f3308bae2e5c1cf7d7f3242c827b744ef49d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1BD4 9152 bytes
font_01_sfnt_off0000dbc1.bin
fec85bb22ad9f90fa7ab86d650751b7858984807d683d4fd4c068ef7cfa68f07		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDBC1 2940 bytes
font_02_sfnt_off0000eb10.bin
b960cf005c83fe1ed3d5a7707162f83e6a43c1bbac44b7db9641d6ee16dfc694		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB10 16360 bytes

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