Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe6609d7f24408a7…

MALICIOUS

PDF

36.8 KB Authoring application: PDF Studio
MD5: 102d2f05ad38d2dca76f53af95dc9b08 SHA-1: 5f58f73c8169e1b7808068188a96f2910b13c90c SHA-256: fe6609d7f24408a72032cde22c66adb0f710f34733ed8e6f5c947cf5417a4433
128 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are structured as numeric slugs, indicating a link farm designed to direct users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body, though heavily obfuscated, contains references to 'PDF Studio Js base64 decode file', suggesting an attempt to disguise or process malicious content within the PDF.

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://hannahhaleymakeup.com/uploads/1/3/0/5/130589252/6b6eb8c218f5db7.pdf
    • http://artiespectorsucks.com/uploads/1/3/0/5/130550949/difexotetazaxazew.pdf
    • http://illumonopoly.com/uploads/1/3/0/6/130621844/9f8526.pdf
    • http://nsobola.com/uploads/1/3/0/5/130590608/1798290.pdf
    • http://basketballiq.com/uploads/1/3/0/8/130813663/8697315.pdf
    • http://momentumyoutharts.com/uploads/1/3/0/8/130814329/widitu.pdf
    • http://carterskennel.com/uploads/1/3/0/3/130323392/wufebape.pdf
    • http://numb-skullz.com/uploads/1/3/0/6/130639668/xudafizezefu-vutesiraper.pdf
    • http://souwester.nl/uploads/1/3/0/7/130740113/9faa737e71974.pdf
    • http://princetonfamilywellness.com/uploads/1/3/0/2/130287548/138386.pdf
    • http://basicswitch.com/uploads/1/3/0/5/130588508/jabexetaj.pdf
    • http://clean-cooling.org/uploads/1/3/0/6/130603894/xavoxogawifenus.pdf
    • http://ideas4entrepreneur.com/uploads/1/3/0/4/130476700/sipilukezu_verifakes_molakizosejizi_robupa.pdf
    • http://belindabucknell.com.au/uploads/1/3/0/6/130621814/4909097.pdf
    • http://souldelicious.org/uploads/1/3/0/5/130541208/voduki.pdf
    • http://deenamack.com/uploads/1/3/0/7/130739892/d11aaca82afe97b.pdf
    • http://paulshone.net/uploads/1/3/0/5/130550696/a179d518.pdf
    • http://artistblueprintpublishing.com/uploads/1/3/0/6/130604227/puzenikixako.pdf
    • http://www.dev2018.digcitinstitute.com/uploads/1/3/0/4/130478307/130478307.html#js+base64+decode+file
    • http://numb-skullz.com/uploads/1/3/0/6/130639668/xudafizezefu-vutesiraper

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000302e.bin
3b30c363278f12c85bb82e8e67982abe30d4d36a4a97cb618e6866cf027da601		 pdf-font-stream PDF embedded font (sfnt) at offset 0x302E 8748 bytes

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