Malicious PDF — malware analysis report

Static analysis result for SHA-256 2359e923a4695250…

MALICIOUS

PDF

42.3 KB Authoring application: QPDF
MD5: 67680936bf6dcb1920cf82957553e3e0 SHA-1: 29f1296f931a48211a45ef1c23d66af19bdced17 SHA-256: 2359e923a469525061dc0008b5cf120028deabe67fdd93e6a27adac490d1906f
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for a link farm, containing 22 external PDF links. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports its malicious nature. The embedded URLs are likely used to redirect users to phishing sites or download further malicious content. No scripts were extracted from this sample.

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://www.hagesher.org/uploads/1/3/0/8/130873982/544b1828c44f.pdf
    • http://twointernational.com/uploads/1/3/0/6/130621610/1055946.pdf
    • http://blackbooktales.com/uploads/1/3/0/8/130873916/2246cd1f8.pdf
    • http://rnrinc.org/uploads/1/3/0/6/130639362/1965905.pdf
    • http://www.conectodos.com/uploads/1/3/0/5/130540937/kaxevajadev-nomuzusuma-lukose.pdf
    • http://www.wildsidesafaris.co.za/uploads/1/3/0/4/130488736/5194eeed6.pdf
    • http://internetstudiescenter.net/uploads/1/3/0/6/130639733/mosuxafubi-sejukepotew-bovokevevikug.pdf
    • http://rflconstruction.com/uploads/1/3/0/8/130814873/870e4e3f7f98d20.pdf
    • http://neokundalini.org/uploads/1/3/0/6/130621847/2799425.pdf
    • http://jonjonsells.net/uploads/1/3/0/5/130588195/bevivizoxadekozagoro.pdf
    • http://earnyopay.com/uploads/1/3/0/7/130739922/57753bb.pdf
    • http://msestate.co.jp/uploads/1/3/0/5/130588291/9f29be61a78c.pdf
    • http://koasports.com.au/uploads/1/3/0/2/130289369/076aee9074b62.pdf
    • http://thatyoumaybelieve.com/uploads/1/3/0/3/130323585/tuben-wodajux.pdf
    • http://northamericanbazi.com/uploads/1/3/0/5/130590403/aeeaae45dcc8.pdf
    • http://thisiscontent.io/uploads/1/3/0/6/130639721/d2bcdfa3d45ffce.pdf
    • http://bcbiofuel.org/uploads/1/3/0/5/130590195/1295098.pdf
    • http://startkin.com/uploads/1/3/0/7/130739952/natixaduvod-jivusexajo-nixotaj.pdf
    • http://newfoodie.net/uploads/1/3/0/4/130476266/8e8eafb21ad.pdf
    • http://rfsbr.org/uploads/1/3/0/5/130543552/kavabumitapa-vufedaxobobimi.pdf
    • http://quantum-solution.com/uploads/1/3/0/5/130550824/e799bc.pdf
    • http://trianglebusinessnetworks.com/uploads/1/3/0/7/130775884/tuvufalamov.pdf
    • http://wrestlingbears.co.uk/uploads/1/3/0/5/130540293/130540293.html#scientific+poster+presentation+size
    • http://www.conectodos.com/uploads/1/3/0/5/130540937/kaxev

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004472.bin
c008b48fccc0dc987f7db9a391fb325e512e319aa3c9af368edbfbbd83b86736		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4472 7868 bytes

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