Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7d2c6c4bbff1719…

MALICIOUS

PDF

39.3 KB Authoring application: GIMP
MD5: 9bfc81d7cb0f3d8b3856947fa68610e0 SHA-1: 7188e792952ca4c66d49f32877095b436ba6d729 SHA-256: e7d2c6c4bbff171900a671b09bd60174684aa30741dda89673a3b3c3bc1c93ae
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique commonly used for SEO manipulation or to host phishing content. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body's content appears to be garbled or truncated, providing no direct clues to the user-facing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://hostmaster.namaillo.com/uploads/1/3/0/6/130621013/5912c55ba.pdf
    • http://www.everythingkoze.com/uploads/1/3/0/3/130379311/5050545.pdf
    • http://timcurnick.com/uploads/1/3/0/6/130605476/861e1731c73a2.pdf
    • http://sg.camisashabers.com.mx/uploads/1/3/0/6/130621607/98b82f.pdf
    • http://www.i-hate-people.net/uploads/1/3/0/7/130739220/pexipujisulevanaret.pdf
    • http://safecitysecurity.com/uploads/1/3/0/5/130539926/2295bd43.pdf
    • http://sueberryllc.com/uploads/1/3/0/5/130541356/4c9b2.pdf
    • http://fairtradegreen.com/uploads/1/3/0/7/130738769/f272f26422.pdf
    • http://nspiresalonatx.com/uploads/1/3/0/6/130604502/sazokavuxemotug_bojije_wufosofirenefen.pdf
    • http://charmderminstitute.com/uploads/1/3/0/5/130588378/tuvawedepede-kulifivuvu-munavu-fukis.pdf
    • http://raemartreviews.com/uploads/1/3/0/8/130874381/f53f2c6af4.pdf
    • http://royaltyfenty.com/uploads/1/3/0/6/130604956/15cd1fedbf69.pdf
    • http://savvynotary.com/uploads/1/3/0/5/130538990/welapatub_segogo.pdf
    • http://bronxlandlordattorney.com/uploads/1/3/0/3/130324050/3086cc3.pdf
    • http://maiattorneyatlaw.com/uploads/1/3/0/6/130604544/gasotala-batimip-depiju-vigopowosa.pdf
    • http://mochisprite.com/uploads/1/3/0/7/130739379/sonolaposavik_kesigari.pdf
    • http://knifefinds.com/uploads/1/3/0/4/130488833/redigi.pdf
    • http://fitzgerald.rominastiebenphotography.com/uploads/1/3/0/6/130604564/130604564.html#minimum+support+market+basket+analysis
    • http://bronxlandlordattorne

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f10.bin
392c0c5eee1700edb56545c228c9187b1dc290a088a16296be7b1ba6a26b78f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F10 2964 bytes
font_01_sfnt_off00003bc1.bin
687f7bd4d7da6593cc8a62f70b22bbac8084fedb5e7c91c8766f7ece3b64835e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3BC1 8180 bytes

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