Malicious PDF — malware analysis report

Static analysis result for SHA-256 718509d7a909616d…

MALICIOUS

PDF

34.9 KB Authoring application: GIMP
MD5: e3649d05b06c9678981004861b073a4f SHA-1: f1506f6a913c09d79feb0bf9b9d5e304477dd42c SHA-256: 718509d7a909616d90f5e86be219c2d3dab06b1b7045255601a93ded41afb5dc
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, indicating a link farm designed to distribute further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the embedded URLs are the primary indicators of malicious activity.

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://pipsprettypaws.me/uploads/1/3/0/7/130739366/tafarefo.pdf
    • http://azzaziphoto.com/uploads/1/3/0/2/130272332/fukaji-nufemose-wafanagiduxime.pdf
    • http://newhampshiredreamhomes.com/uploads/1/3/0/4/130488530/pagelitijaz-fawomu-kefowerajifuv-pavovese.pdf
    • http://nativeuniques.com/uploads/1/3/0/7/130776740/c3036f60e74.pdf
    • http://chewoncakes.com/uploads/1/3/0/8/130814960/pafuzasobu.pdf
    • http://ekpanyaskun.com/uploads/1/3/0/4/130489132/3072982.pdf
    • http://motivationalvault.com/uploads/1/3/0/4/130436451/vabibet-sowonadeg.pdf
    • http://autodiscover.newmantoronto.com/uploads/1/3/0/4/130435657/8471517.pdf
    • http://www.borlaugglobalimpact.com/uploads/1/3/0/3/130379183/f2d3d.pdf
    • http://www.tuitionstartup.com/uploads/1/3/0/4/130436483/6908422.pdf
    • http://nurjanmarabayev.com/uploads/1/3/0/6/130621276/sobagurixipe_gogonuxusulo_rewan.pdf
    • http://easytobuyahouse.com/uploads/1/3/0/2/130291838/5692695.pdf
    • http://www.andreabvtranslation.com/uploads/1/3/0/5/130539886/pojiwunava_zakepiziwelazov_dasuzurufi_mebosu.pdf
    • http://melodyarcade.net/uploads/1/3/0/7/130740130/8448435.pdf
    • http://goodnitesweetheart.com/uploads/1/3/0/6/130620142/xijajesub.pdf
    • http://alphainternationalenterprises.com/uploads/1/3/0/3/130379528/japuz.pdf
    • http://webdisk.lyoneyecosmetic.com/uploads/1/3/0/6/130621587/7060155.pdf
    • http://perillianconsulting.com/uploads/1/3/0/3/130313190/130313190.html#farting+animals+colouring+book

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000029ed.bin
2a6ebd702446c558736cbded0ae7f62be5831af436aacc6191f7e5393774cc73		 pdf-font-stream PDF embedded font (sfnt) at offset 0x29ED 8416 bytes

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