Malicious PDF — malware analysis report

Static analysis result for SHA-256 210719de8c791f1a…

MALICIOUS

PDF

38.7 KB Authoring application: Scribus
MD5: 075c333a20aac250b8453532c79def42 SHA-1: 507a8a17a2d363185119fcccd49a511d5086a10f SHA-256: 210719de8c791f1a590ef0804347cbe10778a6ec4be05f547198acd4810b2a1e
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The presence of a large number of embedded links to external PDF files suggests a phishing or malware distribution attempt. 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://pccpnetwork.nhs.uk/uploads/1/3/0/6/130603896/6573197.pdf
    • http://hometownpartsandequipment.com/uploads/1/3/0/7/130775833/womigudofuxawes-nedisawa.pdf
    • http://pacificaudio.ca/uploads/1/3/0/2/130273814/4a71969978af1c8.pdf
    • http://mikewilliamslivemusic.com/uploads/1/3/0/8/130814993/ad5ef6f.pdf
    • http://colorbrushcanvas.com/uploads/1/3/0/2/130272232/vojogimawekejud.pdf
    • http://upstatephotography.org/uploads/1/3/0/8/130813373/pudobi-lowubuv-laxejizotasanup-femoguwigike.pdf
    • http://sedonasacredstones.com/uploads/1/3/0/6/130603866/7e6ae13.pdf
    • http://www.shirtydeals.com/uploads/1/3/0/7/130775694/3611003.pdf
    • http://locationawarebooks.com/uploads/1/3/0/4/130435743/2988072.pdf
    • http://revelationsmagazine.com/uploads/1/3/0/6/130604200/bb30f.pdf
    • http://myboathaus.com/uploads/1/3/0/2/130291029/mabofusipis_luluna.pdf
    • http://moobesity.com/uploads/1/3/0/5/130540282/xemafopusowusapuru.pdf
    • http://eaglerockjuice.com/uploads/1/3/0/6/130621098/vukaludufixofirukoxu.pdf
    • http://denverlawreview.club/uploads/1/3/0/6/130621814/fudivizotomiwa.pdf
    • http://ourladywillowbrook.com/uploads/1/3/0/7/130738635/dixuvafewate.pdf
    • http://keybiscaynetennislessons.com/uploads/1/3/0/3/130313113/3893181.pdf
    • http://pakistanpeoplesmovement.com/uploads/1/3/0/2/130270985/putovekewanalapu.pdf
    • http://pleaseexcusetheshirt.com/uploads/1/3/0/5/130543543/2736445.pdf
    • http://rimpacsurf.com/uploads/1/3/0/6/130639531/2975804.pdf
    • http://funtimefam.com/uploads/1/3/0/3/130313429/7685928.pdf
    • http://jfproductionsvideo.com/uploads/1/3/0/8/130813378/5761958.pdf
    • http://v90hr.bpmtc.com/uploads/1/3/0/6/130621044/130621044.html#ruyada+akrep+sokmasi+gormek
    • http://pakistanpeoplesmovement.com/uploads/1/3/0/2/130270985/putov

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003711.bin
42cc47f5bdeadcee9ed8dacfea3e101851f658b139825ef2b0f18f93fcdf298a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3711 8496 bytes

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