Malicious PDF — malware analysis report

Static analysis result for SHA-256 120babf47520b94b…

MALICIOUS

PDF

33.6 KB Authoring application: QPDF
MD5: 8f2ef45887827a4472333217b47d880e SHA-1: b3e1694ba7fc854c3728d2207f8d76e5c311a91a SHA-256: 120babf47520b94b14115393e36f083c52c3db5d7e1d8e4d8e966ce1e528ef96
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of external links, many of which point to other PDF files hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' and ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly indicate a phishing or malicious content distribution scheme. The presence of a 'visual download button' lure further supports this, suggesting the document is designed to trick users into clicking links that lead to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://mosquesjobs.com/uploads/1/3/0/5/130588999/fagedarekog.pdf
    • http://mail.mantorvillain.com/uploads/1/3/0/7/130776304/godukivegotam_gofupifarar_xogadawe.pdf
    • http://www.monngonmoi.com/uploads/1/3/0/7/130739758/4fc50828b1d.pdf
    • http://www.hapaxcreativestrategies.com/uploads/1/3/0/8/130814227/d3a5d1e98.pdf
    • http://claudebtrusty.com/uploads/1/3/0/8/130813453/2367f1.pdf
    • http://midnightoilscompany.com/uploads/1/3/0/3/130323162/refetax_jutir_mutobowiw.pdf
    • http://carbonneutralnetwork.org/uploads/1/3/0/6/130620585/9fbd1bf7685c04.pdf
    • http://www.lidodrycleaners.com/uploads/1/3/0/6/130604806/2587174.pdf
    • http://www.longsolutionsgroup.com/uploads/1/3/0/8/130874314/jerifon_raxotilaxav_gajofixesuvobiv.pdf
    • http://outdoorgamesatnight.com/uploads/1/3/0/7/130740597/sagadubajutenit.pdf
    • http://mail.roanokevalleychoralsociety.org/uploads/1/3/0/6/130605289/dfa96adc.pdf
    • http://neotribes.org/uploads/1/3/0/4/130435753/jaleno.pdf
    • http://katiemallen.com/uploads/1/3/0/6/130639468/38e8c162d2c7.pdf
    • http://upwholesaleflooring.com/uploads/1/3/0/2/130272551/7310403.pdf
    • http://starrmark.net/uploads/1/3/0/6/130622059/130622059.html#ashrae+psychrometric+analysis+cd

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000286c.bin
0f285c64c0d3cc278f62b916716fcc249623cde19b0200151dc2171aae6f6aff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x286C 8036 bytes

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