Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c2639e32322ebea…

MALICIOUS

PDF

61.7 KB Authoring application: OpenOffice.org
MD5: 4cb9b2f0f0823ad67d0697f350ba1060 SHA-1: 95f111f10457ce90ea36a5b6f794f7f53f1ba46e SHA-256: 9c2639e32322ebea5d89bf2989b25365cfd1b10c8323c0e31b9c208727370602
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links predominantly point to similarly structured URLs hosted on various domains, suggesting a coordinated effort to distribute malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the malicious nature of this file, likely acting as a lure to redirect users to phishing sites or download further malware. 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://jdstudy.net/uploads/1/3/0/4/130483781/pavepelebabe-wuvofelari-badopi-gipepufij.pdf
    • http://istemeducation.net/uploads/1/3/0/4/130477663/xatapomeketukazisuk.pdf
    • http://rubbishremovalnys.com/uploads/1/3/0/5/130551041/xufidemupazakivug.pdf
    • http://sorteincorporation.co.za/uploads/1/3/0/6/130639563/c454e568f2.pdf
    • http://mrbugfix.com/uploads/1/3/0/5/130546000/528377.pdf
    • http://keepupwiththekeys.com/uploads/1/3/0/5/130550949/58bdc30fed.pdf
    • http://ayasuda.com/uploads/1/3/0/7/130739983/4085263.pdf
    • http://benjamindcrowe.com/uploads/1/3/0/6/130603861/ridiruxip_xugixote_pidexozudi_dafikadiz.pdf
    • http://duilawyerslo.com/uploads/1/3/0/4/130435726/2447657.pdf
    • http://projectusandthem.com/uploads/1/3/0/7/130739944/xifokudobosa_redowo.pdf
    • http://mspaigeclass.com/uploads/1/3/0/4/130483939/2420646.pdf
    • http://inspiredlivingwares.com/uploads/1/3/0/2/130270832/25962675.pdf
    • http://mrshandyman.net/uploads/1/3/0/7/130739747/fewofejusap.pdf
    • http://sellyourownhome.net/uploads/1/3/0/5/130589058/2108723.pdf
    • http://sunshinetanningandmore.com/uploads/1/3/0/7/130739303/wuded.pdf
    • http://gameoveryoulose.com/uploads/1/3/0/6/130621895/857823df2a47db.pdf
    • http://citykittyfurniture.com/uploads/1/3/0/7/130738893/7060073.pdf
    • http://dealingwithstuff.com/uploads/1/3/0/3/130323624/5045635.pdf
    • http://nathannasbymusic.com/uploads/1/3/0/8/130814100/1192342.pdf
    • http://nc-zeitgeist-foundation.org/uploads/1/3/0/2/130289196/9351644.pdf
    • http://herebeobjects.org/uploads/1/3/0/6/130605112/b5c722384323c.pdf
    • http://mrstruitt.com/uploads/1/3/0/6/130621225/130621225.html#modern+history+of+jammu+and+kashmir+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000167d.bin
c1274505a7e26bda3db04d9caaa756160b2a995c2af8562f2f3703464579ecb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x167D 8548 bytes

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