Malicious PDF — malware analysis report

Static analysis result for SHA-256 671c75e873210a48…

MALICIOUS

PDF

40.2 KB Authoring application: Soda PDF
MD5: 460f8c8a05672f2061c239f97473c884 SHA-1: f955dd75362f924a0637bc6cc5e9ffc770f9c2d5 SHA-256: 671c75e873210a4805ca275e85ab1fc9652dc30de0ec78a8209ef991afdb9f04
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a large number of external links, likely for SEO manipulation or to host further malicious content. The document body explicitly states that the Adobe Reader Chrome extension is not working, luring the user to install a fake extension. This behavior is consistent with phishing and malware delivery campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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://bladeresharp.com/uploads/1/3/0/6/130604729/vifugijuwi.pdf
    • http://nancythedatingdiva.com/uploads/1/3/0/6/130639471/90cede8.pdf
    • http://aic-corp.net/uploads/1/3/0/3/130323516/divonabasopazij-jofer-morar.pdf
    • http://votebyronmartin.com/uploads/1/3/0/7/130739200/6989690.pdf
    • http://ooakkid.com/uploads/1/3/0/7/130739139/9ab9a.pdf
    • http://mymassagedude.com/uploads/1/3/0/4/130435803/kekidumajevesatib.pdf
    • http://reliablelawnms.com/uploads/1/3/0/6/130639609/9005525.pdf
    • http://associologist.com/uploads/1/3/0/6/130621854/mupebidux.pdf
    • http://elevatedcontracting.net/uploads/1/3/0/6/130639616/ea6d8645184b90.pdf
    • http://michaelromig.us/uploads/1/3/0/8/130813696/rikisideriduj-nadikoxilez-mejutolukuva-notomapebepi.pdf
    • http://www.eyecandyshape.shop/uploads/1/3/0/3/130313149/babukenetuj_wodoxisowu_kesewalejoxa_jarumus.pdf
    • http://afghanchurch.com/uploads/1/3/0/2/130288709/bokawatox_xozupagabadetej.pdf
    • http://jinxjamison.net/uploads/1/3/0/7/130775856/jodoxo.pdf
    • http://grassroots.enterprises/uploads/1/3/0/3/130379465/jimaroxuvowuto.pdf
    • http://www.p3pros.com/uploads/1/3/0/3/130323232/65f2135e03a.pdf
    • http://genesint.com/uploads/1/3/0/4/130488172/mamifibagovepan.pdf
    • http://ecologicair.net/uploads/1/3/0/4/130478347/5745745.pdf
    • http://catapultband.com/uploads/1/3/0/6/130620560/wenefupasogoluz-lizajazapu-kewoza.pdf
    • http://thegoodchew.com/uploads/1/3/0/6/130639396/temiziro_dogeko_bunafir_logegefilipod.pdf
    • http://ekcoelearningcommons.com/uploads/1/3/0/4/130488955/e175ccf7.pdf
    • http://www.n1-nw1-student-housing-studios-camden-kings-cross-london.co.uk/uploads/1/3/0/8/130874313/1184797.pdf
    • http://mindbodsoul.com/uploads/1/3/0/5/130588207/besiwomejata.pdf
    • http://heidibilonick.com/uploads/1/3/0/3/130313826/3773946.pdf
    • http://aliciareeveslopezpt.com/uploads/1/3/0/3/130323141/904d53d002956d.pdf
    • http://joyofphysics.com/uploads/1/3/0/2/130287488/130287488.html#adobe+reader+chrome+extension+not+working

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000395e.bin
aac18efa1389900735abfea8cc409176f649f29c1a0c2786332338957896cf8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x395E 8052 bytes

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