Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c692573f4110558…

MALICIOUS

PDF

29.0 KB Authoring application: Smallpdf Desktop
MD5: 6ca990bfad0df4dbd7ecd395e217d74a SHA-1: 0a09bd124cc0e926ec639db819a0afdf3ef7fa43 SHA-256: 0c692573f411055811372f53c62cde7ee353c10a66a0d5a540104018d252d32d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was identified as malicious by ClamAV and an ML classifier, exhibiting a large number of embedded external links. These links likely serve as a link farm to redirect users to malicious sites, consistent with phishing or malware distribution tactics. No scripts were extracted, but the presence of numerous URLs suggests an attempt to lure users to external resources.

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://born2organize.com/uploads/1/3/0/7/130739745/bufukawa.pdf
    • http://feminaskitchen.net/uploads/1/3/0/6/130639583/minozovemedete_bituwib_xitiluxezekuwot.pdf
    • http://www.creativecommunicationsls.ca/uploads/1/3/0/7/130776647/xidevujog_zulaz_galosokiruru.pdf
    • http://ekogren.nl/uploads/1/3/0/6/130639358/4224837.pdf
    • http://rational-world.de/uploads/1/3/0/7/130776702/cfb7d5075.pdf
    • http://oceannotions.com/uploads/1/3/0/6/130621022/niwusunubalu-naxeladimuj.pdf
    • http://stmaryfestivalchardon.org/uploads/1/3/0/8/130814124/pesam_nudoki_rowuzevuwa_wirisula.pdf
    • http://lukemartin.rocks/uploads/1/3/0/5/130551266/2379699.pdf
    • http://newdreamrenovations.com/uploads/1/3/0/7/130775729/sajikuwuzev.pdf
    • http://bellusvirago.com/uploads/1/3/0/7/130739326/9374738.pdf
    • http://bbartbyangelica.com/uploads/1/3/0/4/130476273/pigemumepi.pdf
    • http://jonijohnston.com/uploads/1/3/0/3/130379299/2128908.pdf
    • http://theempoweredyou.com/uploads/1/3/0/2/130289296/wosotopiku-rulupipi-piwewowofo-bofesusetup.pdf
    • http://www.ositconstructionza.com/uploads/1/3/0/7/130739552/gokakot.pdf
    • http://releifricktal.ch/uploads/1/3/0/6/130621094/023e062533.pdf
    • http://lesbianrimjob.com/uploads/1/3/0/6/130620430/gotevowa_makemivawalexep_bujisugosoforo_fenugeputojito.pdf
    • http://blackjade.club/uploads/1/3/0/2/130289803/mokubevodumat.pdf
    • http://www.bardosdiamondsports.com/uploads/1/3/0/5/130543198/130543198.html#pediatric+community+acquired+pneumonia+guidelines+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000018fd.bin
5f1690e17ffac5d7a05532100e3521d6f684d2de82328c3f6def16c41a085a20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18FD 6124 bytes

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