Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9386f41dfb484b4…

MALICIOUS

PDF

38.4 KB Authoring application: Karbon
MD5: 7da31b82f37acf25cf4e2a3aaa160c9d SHA-1: 51a6665a133e3869affe0a106f9d80b2624c6b0d SHA-256: a9386f41dfb484b44d4f7328e4eda405afefbd6fcf839349e95c64d764b91098
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of a link farm or a phishing lure, designed to direct users to potentially malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. 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://donovankleintv.com/uploads/1/3/0/4/130488243/biwurara-firuvebibumapa-xubawuvawenuzi.pdf
    • http://host22.carmichaelnl.com/uploads/1/3/0/2/130291713/fcc441.pdf
    • http://myprizeonline.com/uploads/1/3/0/5/130589423/6932017.pdf
    • http://www.cmfindlay.org/uploads/1/3/0/9/130969066/mepadugatij.pdf
    • http://sbfbla.org/uploads/1/3/0/6/130604874/pitixadarugon.pdf
    • http://cantonfair2u.com/uploads/1/3/0/7/130776272/307896.pdf
    • http://phaze1online.com/uploads/1/3/0/6/130622005/xozisafa.pdf
    • http://www.lilspencehydro.com/uploads/1/3/0/8/130874063/wojudawole.pdf
    • http://atlbloggers.com/uploads/1/3/0/3/130379311/7753950.pdf
    • http://westflatsandtaps.com/uploads/1/3/0/5/130589037/jowuju.pdf
    • http://stratdef.org/uploads/1/3/0/2/130272587/ligav.pdf
    • http://thewildflowerfarminn.com/uploads/1/3/0/4/130488888/jasop-lojimeto-lasugotopogani.pdf
    • http://resort24stay.online/uploads/1/3/0/6/130620427/difowukataxi.pdf
    • http://201powersports.net/uploads/1/3/0/2/130288410/zuzatelula.pdf
    • http://myvanessaonline.com/uploads/1/3/0/6/130604276/dawutiluje.pdf
    • http://trafficstudios.net/uploads/1/3/0/7/130776447/xupoxenikowisiboxido.pdf
    • http://myptresource.com/uploads/1/3/0/6/130605315/3844179.pdf
    • http://fredbrodard.com/uploads/1/3/0/4/130475938/fafufinufukafis.pdf
    • http://annalisaroger.green/uploads/1/3/0/6/130639545/45db2d925a.pdf
    • http://ktwcontests.com/uploads/1/3/0/2/130273573/fuxalojumajevix-gegerox.pdf
    • http://trimmingsucks.com/uploads/1/3/0/7/130738956/d08dc.pdf
    • http://benjaminsmithfineart.com/uploads/1/3/0/7/130739340/dozifokefizov_siwinodeve_magufob.pdf
    • http://dansconcept.com/uploads/1/3/0/5/130589171/murixetilubufo.pdf
    • http://theapexbasketballtraining.com/uploads/1/3/0/7/130740217/e2474e32afc.pdf
    • http://adsl-63-204-18-23.benefitplans.org/uploads/1/3/0/2/130288682/130288682.html#malaria+prevention+in+sub-saharan+africa
    • http://theapexbasketballtrai

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000329e.bin
e0903bdc25571084184f47af63f5420f18d9fa74c9b3b649ff400c1a55daa0c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x329E 7984 bytes

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