Malicious PDF — malware analysis report

Static analysis result for SHA-256 313c7bc711093e6e…

MALICIOUS

PDF

43.5 KB Authoring application: PDF Studio
MD5: 69fccb7871fd3387690eeea353ec9388 SHA-1: dfedb2352ae19ecef32d0790bcad3b66af0f45d3 SHA-256: 313c7bc711093e6ea9ee0f304fccbbed37fd8526d403e626227a6d678a997ccb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent. The primary attack pattern involves redirecting users to a network of linked PDF documents hosted on various domains, likely for phishing or malware distribution.

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://drainwizarddenver.com/uploads/1/3/0/5/130589037/e08da4.pdf
    • http://christiansaechao.club/uploads/1/3/0/4/130479350/levuxevuvezor.pdf
    • http://hookedonyourbooks.com/uploads/1/3/0/6/130639540/6875590.pdf
    • http://drcarolineclarke.com/uploads/1/3/0/4/130435725/1099596.pdf
    • http://skidayz.co/uploads/1/3/0/2/130270879/4247758.pdf
    • http://nova-torg.net/uploads/1/3/0/8/130813888/af7b2380b232.pdf
    • http://designer-inc.com/uploads/1/3/0/2/130291786/pesoxilofuvi-kenenogubu-tatilageli.pdf
    • http://interiordesignsbymelissa.com/uploads/1/3/0/6/130604195/liwupedaxo.pdf
    • http://fellowstech.us/uploads/1/3/0/8/130814576/42e3498bf7.pdf
    • http://nicenspice.com/uploads/1/3/0/6/130620677/1140284.pdf
    • http://customerfocusedlearning.com/uploads/1/3/0/8/130873973/6406563.pdf
    • http://ssperformancemassage.com/uploads/1/3/0/6/130620687/gafefo_xijoriwekibex_mijoden_wejadu.pdf
    • http://mmalifestyler.com/uploads/1/3/0/6/130640181/fevafoje-pilidixix-poxesifunabadak-vilufevu.pdf
    • http://medicinaevolutiva.com/uploads/1/3/0/6/130640028/3478230.pdf
    • http://slubit.com/uploads/1/3/0/7/130775056/6999228.pdf
    • http://lcdigitalconnect.com/uploads/1/3/0/6/130603903/187d48ea1b.pdf
    • http://asburycropfarm.org/uploads/1/3/0/6/130639446/rupebovajubesojilob.pdf
    • http://misscassandralaurionartwork.com/uploads/1/3/0/6/130621405/2252110.pdf
    • http://theduiskeinn.com/uploads/1/3/0/6/130621335/biditodito.pdf
    • http://briansherrishow.org/uploads/1/3/0/3/130313359/zujatapukuduke.pdf
    • http://startleaders.com/uploads/1/3/0/7/130739592/tadekibej_pipejejoliz.pdf
    • http://myteamnavigate.com/uploads/1/3/0/8/130814349/najirukasazevuv.pdf
    • http://provisionmediausa.com/uploads/1/3/0/6/130604637/josanimuvezubikevu.pdf
    • http://bianxingjingangzhenren.br3h.com/uploads/1/3/0/6/130605312/130605312.html#ielts+general+writing+task+2+band+7

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000476d.bin
efe195a9df6afe2a8dd5f6d73d5bad658ef7e1d6ff5ddcdeedf778110fa7a651		 pdf-font-stream PDF embedded font (sfnt) at offset 0x476D 8160 bytes

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