Malicious PDF — malware analysis report

Static analysis result for SHA-256 7275a20e937a13cc…

MALICIOUS

PDF

41.6 KB Authoring application: Soda PDF
MD5: 14ef73eeca03f2cbc74145cfe59e8691 SHA-1: a68c2c952dd0e8c3b292a3a58d388e0b6b781c5e SHA-256: 7275a20e937a13cc14da6047eeb32479ba28886d6289eab296ed4fc2bf43844a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. The document body's deceptive message about backing up contacts serves as a lure to encourage interaction with the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://myteamtriumph-ga.org/uploads/1/3/0/2/130289266/d5e9f32192205de.pdf
    • http://porotewo.mumi-dol.ru/uploads/2020/01/27/be6ea122d57b3e4.pdf
    • http://zajon.miradorbascamao.com/uploads/2020/01/28/7550929.pdf
    • https://givatesavatam.weebly.com/uploads/1/3/0/5/130541065/nozovepaludun.pdf
    • http://noahcompportfolio.com/uploads/1/3/0/6/130603861/vimedabanakaf.pdf
    • http://thequickenloanspartnership.com/uploads/1/3/0/4/130483219/pujexor.pdf
    • http://uvcheer.com/uploads/1/3/0/5/130551445/wupegewabu.pdf
    • http://wufineteva.rostelekomlk.xyz/uploads/2020/01/28/zuranipovidukab.pdf
    • http://lafethome.ru/uploads/2020/01/27/4973a5352939.pdf
    • http://patchezplus.com/uploads/1/3/0/4/130435862/roruxesozetaj.pdf
    • http://akronglobal.net/uploads/1/3/0/5/130544303/vojifatesi-zekikomereleta-vujunebudevaxup-nibexaze.pdf
    • http://bobogogeva.znamenitost.online/uploads/2020/01/27/353252.pdf
    • http://sunriseonlinecourses.com/uploads/1/3/0/5/130588942/4011fc.pdf
    • http://nolumogo.imakerlab.club/uploads/2020/01/28/nutigaru.pdf
    • http://fokilo.samokontrol.ru/uploads/2020/01/28/d1167.pdf
    • http://myentouragemusic.com/uploads/1/3/0/3/130323437/130323437.html#backup+contacts+app+android

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000141d.bin
562da6805ddaec959a2192e35d2c377f4646df0e6d86588def127edfcd90fc47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x141D 8332 bytes

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