Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f02d9b4fd889baa…

MALICIOUS

PDF

51.1 KB Authoring application: Soda PDF
MD5: 310171a8d6194cf29c0042a9b2f6f79b SHA-1: bb2cbed8da3285858edb43b61d3cb3c89ba2f727 SHA-256: 2f02d9b4fd889baa20e3d2d77d28314a3705379d68e8acd808f94f43bba689c5
142 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a link farm, with the primary host being instagram-support-account.com. The document body also contains embedded URLs and a callback lure, suggesting a phishing or scam attempt. The ClamAV detection further confirms its malicious nature as Pdf.Phishing.TtraffRobotInstall.

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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://instagram-support-account.com:80/uploads/2020/01/28/7433376.pdf
    • http://kilitewin.copyrightcontact-100000659807.com/uploads/2020/01/29/sejexugevarejew.pdf
    • http://tisegume.promokot.info/uploads/2020/01/29/jorarejivoxeteko.pdf
    • http://modtone.net/uploads/1/3/0/6/130620290/lenep-wuzukana.pdf
    • https://tufazoparizukez.weebly.com/uploads/1/3/0/4/130490314/lopega-ruwuwetu-jididovegola.pdf
    • https://zoxavabagabop.weebly.com/uploads/1/3/0/5/130551258/vexav.pdf
    • http://actorheadshotphoto.com/uploads/1/3/0/3/130312974/juwupaj.pdf
    • http://valkrystore.org/uploads/1/3/0/3/130323761/1636032.pdf
    • http://nit.tsecur.com/uploads/2020/01/28/zewarap-rigodepaj-vesawowedunuse.pdf
    • http://gipexete.desarrollo365.com/uploads/2020/01/28/8020978.pdf
    • http://myschievia-ntxb.weebly.com/uploads/1/3/0/2/130291803/5d735fe24cd3eff.pdf
    • http://mineviewaero.com/uploads/1/3/0/5/130590436/95c7d0b7.pdf
    • http://amberbellemusic.us/uploads/1/3/0/4/130435644/lizolonumemu.pdf
    • http://asociacionperiodistaspr.org/uploads/1/3/0/6/130639575/130639575.html#best+android+watch+2019+canada

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013f1.bin
c6e817955801e1f58580d334b8b254e85849ef52743660d6612d791a34d7bd86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13F1 9424 bytes
font_01_sfnt_off00007fa9.bin
1fb19a3e4b4e5f90a7347e6a9024fa5fb50df63c7316208be728a43e6e88f28a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FA9 16768 bytes

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