Malicious PDF — malware analysis report

Static analysis result for SHA-256 3773eaeaf6ae9e89…

MALICIOUS

PDF

34.8 KB Authoring application: QPDF
MD5: b71c9fc3fc607ff9d12c5117511cfc7b SHA-1: 8674a5d0166d3f1e4f405046bf3cb701073da41c SHA-256: 3773eaeaf6ae9e892dfe6ae5f853048af7d9b2cca31a7e20360bdbd1b1af6cd5
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links to other PDF files hosted on various domains, indicating a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or distributing unwanted content. No scripts were extracted, but the sheer volume of outbound links is highly suspicious.

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://kuniusedcars.com/uploads/1/3/0/5/130543158/rifakikowebodegabag.pdf
    • http://halfagram.com/uploads/1/3/0/2/130272283/6136910.pdf
    • http://mta-sts.mx.nochedealtares.org/uploads/1/3/0/6/130604888/bosupozufedamo-jizexigose-welaleneb-paxilimubu.pdf
    • http://claybon.shop/uploads/1/3/0/6/130622012/vexogupa.pdf
    • http://77pa0.bpmtc.com/uploads/1/3/0/6/130639626/gikopa.pdf
    • http://naturalproductsbyshensare.com/uploads/1/3/0/6/130639266/fe73167e95.pdf
    • http://nrsmallgroups.com/uploads/1/3/0/4/130483123/pazumafavoxek-dezisovita-funilepidexovu.pdf
    • http://www.parksidepropertymaintenance.com/uploads/1/3/0/6/130621353/2944745.pdf
    • http://sewgr8fulbygyh.com/uploads/1/3/0/4/130476075/9676864.pdf
    • http://4444ever.com/uploads/1/3/0/6/130640048/7d632df3.pdf
    • http://yourmateapparel.com/uploads/1/3/0/6/130604114/subef_vajavow_zenitonisup_dukodew.pdf
    • http://motivatingmindstraining.com/uploads/1/3/0/5/130588944/3a39440735c34.pdf
    • http://februaryvioletsenior.com/uploads/1/3/0/5/130589090/8129206.pdf
    • http://www.flutter-bees.com/uploads/1/3/0/7/130738739/1827838.pdf
    • http://shinzuikai.com/uploads/1/3/0/6/130640003/7827897.pdf
    • http://www.tjssweettooth.com/uploads/1/3/0/5/130551505/viwufovafomos-sogitusob-zewixenerid-bujazovajef.pdf
    • http://lovebyloops.com/uploads/1/3/0/7/130775850/nexugazaseka_wipozige_pofek_renaxepif.pdf
    • http://julianthology.com/uploads/1/3/0/8/130873906/130873906.html#adding+and+subtracting+polynomials+worksheet+for+grade+7

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c61.bin
5893f92af9742a855c3661bcfa281dc3a928da11c32f9750cf703dc2e27fa881		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C61 7352 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.