Malicious PDF — malware analysis report

Static analysis result for SHA-256 88e06d71e3f79229…

MALICIOUS

PDF

38.0 KB Authoring application: OpenOffice.org
MD5: 88d832672de3c06d2b80fd97fcc3b04d SHA-1: 2cb6a2ea1085fa214fb519b899252e7d85604fdc SHA-256: 88e06d71e3f79229f52ca75eda23d9fa13292473ed44893f7b435bd0edf7679d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF files, a technique often used for SEO spam or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. No scripts were extracted from this sample.

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://www.draingaintiling.com/uploads/1/3/0/5/130539345/7027823.pdf
    • http://shipfree.club/uploads/1/3/0/3/130313585/regomikilas-pufizovogogileg.pdf
    • http://www.infiniteambitions.com/uploads/1/3/0/6/130621021/lubejujez-livamimelu-tosoxevexopiti.pdf
    • http://mx7.thereedmachine.com/uploads/1/3/0/7/130739856/lafudatakotuxuxive.pdf
    • http://sandiegofinchandsoftbill.com/uploads/1/3/0/8/130813646/labonolugarimowugig.pdf
    • http://www.sansouciarts.com/uploads/1/3/0/6/130604538/wefuresot.pdf
    • http://cassyjade.com/uploads/1/3/0/5/130543941/6696305.pdf
    • http://praeducers.com/uploads/1/3/0/8/130813362/kawodiserul-zozajaw-pudibinajuxenuz-sogofivip.pdf
    • http://usedmetalbuildings.net/uploads/1/3/0/7/130776760/paraluxo_vufitulunekisin.pdf
    • http://burkedefenselaw.net/uploads/1/3/0/4/130435785/jilafod_tonekezedu_xidikagezam_dewako.pdf
    • http://www.gardenersudbury.co.uk/uploads/1/3/0/7/130776208/lobete-paketabazeba-narejezoxutuwu-rilapajedob.pdf
    • http://screenirelandguilds.com/uploads/1/3/0/5/130590763/zuzugupadamuxidusuwu.pdf
    • http://daviscrossfield.com/uploads/1/3/0/7/130739415/jagix.pdf
    • http://friendsofwaupaca.com/uploads/1/3/0/9/130969060/1408125.pdf
    • http://kickoutcaseyscarlisle.com/uploads/1/3/0/8/130813698/molofitaji_neropowuxaguju.pdf
    • http://www.nomvee.be/uploads/1/3/0/4/130478831/bitil.pdf
    • http://nadi-haas.de/uploads/1/3/0/6/130639624/xikazupowitejofifor.pdf
    • http://www.rudolfrosochacki.com/uploads/1/3/0/6/130639699/dd9650f70e.pdf
    • http://host97.carmichaelnl.com/uploads/1/3/0/5/130538987/130538987.html#freundlich+adsorption+isotherm+for+acetic+acid
    • http://friendsofwaupaca.com/uploa

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b54.bin
7f00688a7fa1435ce172dcb840d0263443ffd2a42c0a0825bd4151cb67b82d29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B54 2696 bytes
font_01_sfnt_off00003733.bin
a4030ce0ab108472403f6f0328d12245619690bd164ffb18050a06ce3bf420ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3733 7560 bytes

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