Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe17186308e92718…

MALICIOUS

PDF

42.5 KB Authoring application: PDF Studio
MD5: 722fb060a612ac3c8ad72d2026a83049 SHA-1: b01eababffb31eac3f03670629115f287bf9913d SHA-256: fe17186308e92718a6fc1f3fc235ad3cabdf72b7a0d7e79c4605db64965a7263
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted, limiting the analysis of direct payload execution.

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://nkkredit.ru/uploads/2020/01/28/3946610.pdf
    • http://thelohbros.com/uploads/1/3/0/2/130288883/d977b.pdf
    • http://var.dermashop.tech/uploads/2020/01/27/4846034.pdf
    • https://gutojowuki.weebly.com/uploads/1/3/0/5/130543453/e86832e5.pdf
    • http://zobog.hotelimperiya.ru/uploads/2020/01/27/zabogozeleg-ruxiwojo-defof.pdf
    • http://charletsweb.com/uploads/1/3/0/3/130379843/wotudobenijurun.pdf
    • http://kloconsulting.us/uploads/1/3/0/4/130475994/1812980.pdf
    • http://loudfitness1.com/uploads/1/3/0/4/130435751/voputaxagef.pdf
    • http://noziginu.tvpays.ru/uploads/2020/01/28/3839059.pdf
    • http://rellbuchanan1.com/uploads/1/3/0/4/130436136/wugovifigeravobi.pdf
    • http://besavings.weebly.com/uploads/1/3/0/6/130639051/zejanowebe_poroviladul.pdf
    • http://xixatita.digitalein.com/uploads/2020/01/28/jijomelutalowijudu.pdf
    • https://kivorogenakevov.weebly.com/uploads/1/3/0/5/130590700/begusesudozosili.pdf
    • http://lus.nickel-logine.com/uploads/2020/01/27/8050146.pdf
    • http://mujesuli.hangxao.com/uploads/2020/01/27/5316574.pdf
    • http://mylectro.com/uploads/1/3/0/4/130483118/mibid_xevajogipo_fukuru.pdf
    • https://zuvofobug.weebly.com/uploads/1/3/0/2/130288684/weliloveje_donutoxov_vukipuw.pdf
    • http://strangebrau.com/uploads/1/3/0/5/130590462/5795648.pdf
    • http://mupe.buket99.com/uploads/2020/01/27/8528363.pdf
    • https://tinarexeg.weebly.com/uploads/1/3/0/2/130272936/6537807.pdf
    • http://getapibipe.bananawear.online/uploads/2020/01/28/xonoruvuxefed_tupikir_korura_mimiruwapijis.pdf
    • http://ziv.decodereadlearn.com/uploads/2020/01/27/bugigeguzaxavaxa.pdf
    • http://8200doral.com/uploads/1/3/0/5/130547207/zojep-lalusisonijav-nomoduwexox.pdf
    • http://gomriz.com/uploads/1/3/0/4/130435532/130435532.html#icd+10+for+lumbosacral+spondylosis

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001668.bin
f450bedfdddaa9f621db0471f3cc5f161f03baf50cb94f3b3bd696be763ed7c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1668 7336 bytes
font_01_sfnt_off00006a44.bin
1b3f82cd74c5b6671cc0c0d4a6c7877b74bb57ca469b2a61ef541918e41af838		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A44 2652 bytes

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