Malicious PDF — malware analysis report

Static analysis result for SHA-256 16094257417c6afe…

MALICIOUS

PDF

50.6 KB Authoring application: ImageMagick
MD5: fa2ff9d1beae1ec1f3e2656f08b12e26 SHA-1: 0a2b72073a0c7bfe529aeafb4f9d86fb64df6baa SHA-256: 16094257417c6afe8e765fa4fad8d34c1dca968a695214c279eee033c7b6ebac
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a mass external link farm, with numerous URLs pointing to other PDF files. This technique is often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://charitywp.com/uploads/1/3/0/6/130639410/62702f843d440e.pdf
    • http://trauma-toolkit.com/uploads/1/3/0/4/130476273/wanixaleki.pdf
    • http://sr-studenica.org/uploads/1/3/0/2/130287211/80b3c.pdf
    • http://risingstarcafe.net/uploads/1/3/0/4/130435503/toxebaforofiv.pdf
    • http://broadbandaccess.org/uploads/1/3/0/7/130775990/35b06f4ca.pdf
    • http://myncpl.com/uploads/1/3/0/6/130639085/3598303.pdf
    • http://coloradoartclass.org/uploads/1/3/0/2/130288510/jiwofuteda.pdf
    • http://ninejazz.com/uploads/1/3/0/4/130490451/6299931.pdf
    • http://aquispark.com/uploads/1/3/0/4/130476060/xoxanuxevededanokoti.pdf
    • http://nicoleolsthoorn.com/uploads/1/3/0/6/130603747/9891509.pdf
    • http://clivoeq.com/uploads/1/3/0/3/130312984/bosiduvi.pdf
    • http://fatdotmedia.com/uploads/1/3/0/7/130740522/bifelojus_zalojujusuz.pdf
    • http://theeightoneseven.com/uploads/1/3/0/5/130588857/130588857.html#add+footer+to+excel+spreadsheet
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000074b7.bin
2234114f432796b964a9a0028ffdc7365263c5450b0b7ce4463c96f2a71797be		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x74B7 20456 bytes
font_00_sfnt_off000012cd.bin
e96f69c0ae5eb450794aa62278d55421f74680fafe45d80e7e3ed54ab262fee7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12CD 8112 bytes

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