Malicious PDF — malware analysis report

Static analysis result for SHA-256 fec0285e7f56e4d5…

MALICIOUS

PDF

41.5 KB Authoring application: Pdftk
MD5: 7d643bf94f1151d70b2350bfc236ed8f SHA-1: deeb87869bef116acbecf5a11cdcc5ce80b0f389 SHA-256: fec0285e7f56e4d5fd72d9c2d3e5196407a4e05262a56223800944a7b6aeda7e
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to numerous PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-driving intent. No scripts were extracted from this sample.

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://emienewright.com/uploads/1/3/0/7/130775649/fujemetudadag.pdf
    • http://charliewanders.com/uploads/1/3/0/2/130272481/dakuto-pasewuzewew-zanukegipe-jotoxadenu.pdf
    • http://belayglobal.com/uploads/1/3/0/6/130640174/fopelofozad_lotodamumudona.pdf
    • http://ladytchotchke.com/uploads/1/3/0/6/130639145/76479b482342bd4.pdf
    • http://bandician.club/uploads/1/3/0/5/130539129/137621.pdf
    • http://girishchavan.net/uploads/1/3/0/4/130488243/3237878.pdf
    • http://hollandfotovideo.com/uploads/1/3/0/6/130620423/ca9f8eac.pdf
    • http://studio-ocd.com/uploads/1/3/0/6/130640003/c59e9322dee0e3.pdf
    • http://50staaten.com/uploads/1/3/0/3/130379370/ginawususenefi.pdf
    • http://richardmackson.com/uploads/1/3/0/2/130271142/0465fc2fcef762a.pdf
    • http://pelosophotography-yearbooks.com/uploads/1/3/0/5/130589090/kozalot_bipopi_sunerumuzuz_zulabeviriz.pdf
    • http://www.simplyfloral.ca/uploads/1/3/0/5/130543320/1237060.pdf
    • http://springvillehighblt.org/uploads/1/3/0/6/130604621/rawiputediz.pdf
    • http://insidethebeltline.net/uploads/1/3/0/7/130776587/wubugiwudaparivi.pdf
    • http://percy-macuinn.pleasingfood.com/uploads/1/3/0/3/130323190/130323190.html#aceite+esencial+de+eucalipto+propiedades+aromaterapia

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000308f.bin
45c39c4315a5d00962143d4102937301eb2649728d6de39b959633cfc30365c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x308F 16144 bytes
font_01_sfnt_off0000483a.bin
2508a48c98080a94c2cb0eebb4dd968cd09d9dd4d3f70dd7bc9c8ca1b88f5426		 pdf-font-stream PDF embedded font (sfnt) at offset 0x483A 8360 bytes

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