Malicious PDF — malware analysis report

Static analysis result for SHA-256 204af04c3940b9e3…

MALICIOUS

PDF

40.2 KB Authoring application: SWFTools
MD5: 725e951e6df9ca480dbf78ae96c6acb0 SHA-1: 0313cf0b1439da2cd1469406d6c1d49cf790c170 SHA-256: 204af04c3940b9e3aabe3d21106da6d292a7ee1d010e11d025eba922a5cc3a98
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO manipulation or to distribute malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://oedipa-maas.com/uploads/1/3/0/2/130270923/pavekeruvisox.pdf
    • http://tasteparty.jpjsweets.com/uploads/1/3/0/5/130543784/4648427.pdf
    • http://snorefreeformula.com/uploads/1/3/0/6/130621808/gedudilunufire.pdf
    • http://eracingseats.com/uploads/1/3/0/5/130551160/8152097.pdf
    • http://mangaandanime.net/uploads/1/3/0/6/130621102/nitob_rutuwanivabadov_babev_nakeri.pdf
    • http://bartenderbitch.com/uploads/1/3/0/5/130550764/mujinamop_lobigebud.pdf
    • http://namecoinforum.net/uploads/1/3/0/4/130435650/loravibupelagaj_zutig_vafifekafam.pdf
    • http://photos.clairerenaud.com/uploads/1/3/0/4/130489159/jawewolefarup-sopopogusit-wupawanuxalewim.pdf
    • http://filmroar.com/uploads/1/3/0/4/130435862/wuboxibokov-pudalebut-zojawukejirolef-doxutiwomux.pdf
    • http://mysticmancreations.com/uploads/1/3/0/5/130540046/8712462.pdf
    • http://stagingserver5.com/uploads/1/3/0/3/130323511/00182233d7048.pdf
    • http://octsummershow.com/uploads/1/3/0/2/130287506/lasutovebabomuf.pdf
    • http://www.highlandsbible.org/uploads/1/3/0/2/130287257/kofufiragaribazexu.pdf
    • http://www.mindyourownmindfulness.com/uploads/1/3/0/7/130776672/sipumabepuvi-toloru.pdf
    • http://chambatacoffee.com/uploads/1/3/0/6/130639547/1312819.pdf
    • http://www.carmirrorreplacement.co.za/uploads/1/3/0/7/130775203/130775203.html#writing+connectors+list

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000437a.bin
f406d96c5f18b69aa7e405bf25878d98c6bb5d36eb2ea94708d012d8af1030bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x437A 7488 bytes

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