Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ffa1abe92647831…

MALICIOUS

PDF

30.5 KB Authoring application: SWFTools
MD5: f28aa080b301c397227ec62ddd953157 SHA-1: 29eb0e2f8274a88657563f16a218ca01ca96ee9c SHA-256: 2ffa1abe9264783161fa0498196371d2c6a22f029f4b7a3f0089535a4bddbb5e
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically related to phishing or traffic redirection. No scripts were extracted from this sample.

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://thebedrockinitiative.org/uploads/1/3/0/8/130874422/kelotosexi.pdf
    • http://zpdevsite.com/uploads/1/3/0/5/130539756/2e364c970.pdf
    • http://inventureconsulting.net/uploads/1/3/0/7/130740200/1320282.pdf
    • http://livewarrennj.com/uploads/1/3/0/4/130476342/vumilune.pdf
    • http://doganakyel.com/uploads/1/3/0/5/130541004/zesaned.pdf
    • http://bud-spencer.org/uploads/1/3/0/5/130550729/tumatonufagobapota.pdf
    • http://edmontonadr.com/uploads/1/3/0/3/130323163/1149294.pdf
    • http://mothershands.org/uploads/1/3/0/7/130739504/c9d33ad3f792ad6.pdf
    • http://universityonlinedegree.info/uploads/1/3/0/6/130620926/a6a08.pdf
    • http://www.homecarepreneur.com/uploads/1/3/0/7/130739945/3357271.pdf
    • http://jeremyhammer.com/uploads/1/3/0/3/130379381/7105dd9dab9a4.pdf
    • http://robertchristianmoreno.com/uploads/1/3/0/5/130550884/zogubofadif_vukegewamiwan.pdf
    • http://meditatecreatestudio.com/uploads/1/3/0/8/130873893/f1bb5438296.pdf
    • http://www.dev2018.digcitinstitute.com/uploads/1/3/0/5/130588998/130588998.html#ikea+kallax+shelving+unit+manual

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001f6c.bin
1c5db181d607d25b59f1262fe92e38c9854dd8d7c2be3022526ead66ca1c9c25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F6C 7568 bytes

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