Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b82be195119939c…

MALICIOUS

PDF

46.3 KB Authoring application: SWFTools
MD5: f4edafa782c48b6c8af7523a975e5cdb SHA-1: 8e7a943a5285472439eb05421a5e5d4062526406 SHA-256: 0b82be195119939c618af5068402f49fa83755fb0135d52835b9ce1db8a3abd1
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, indicating a link farm or a distribution mechanism for further malicious content. ClamAV detected this as Pdf.Phishing.TtraffRobotInstall, and ML classifiers also flagged it as malicious. The embedded URLs are likely used to redirect users or to host phishing content.

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://awakenedheartmeditation.org/uploads/1/3/0/5/130588824/fiwatet-tuxafekopusidu-mexusukij.pdf
    • http://hnccleaning.co.nz/uploads/1/3/0/7/130738998/4603564.pdf
    • http://www.madsquirrelcoffee.com/uploads/1/3/0/6/130605216/julufujalat_zowavoxirewe.pdf
    • http://mobilemealsoftucson.org/uploads/1/3/0/2/130273845/5fc9a.pdf
    • http://quicktan423.com/uploads/1/3/0/4/130435846/0d7cdeb4bb.pdf
    • http://jomowlawncare.com/uploads/1/3/0/7/130739571/fadem.pdf
    • http://www.msandtherapist.com/uploads/1/3/0/6/130605162/dekelabo_winewepanorega_zolutanupu_taxezan.pdf
    • http://www.coopercountymo.org/uploads/1/3/0/7/130739288/7287816.pdf
    • http://fundfirevictimsca.com/uploads/1/3/0/7/130739063/fasix-zewetafika-lolef-forer.pdf
    • http://electbonniesmith.ca/uploads/1/3/0/4/130476684/rusorafu.pdf
    • http://marijuanaexchangemarket.com/uploads/1/3/0/7/130776253/taxijaguvanuv-seguti.pdf
    • http://anonnetwork.net/uploads/1/3/0/6/130621989/puzorakutikenitidi.pdf
    • http://www.brooklinegogetter.com/uploads/1/3/0/3/130379741/zuxixula.pdf
    • http://dhcenter.net/uploads/1/3/0/6/130620529/jugejesawemawurono.pdf
    • http://bodymindandsport.club/uploads/1/3/0/7/130776201/waloxuroti_kunojokokuwuwur_kugawezaxes_nesadogigolot.pdf
    • http://www.tsjamescomposer.com/uploads/1/3/0/7/130775244/9434826.pdf
    • http://plussizebridalsma.com/uploads/1/3/0/5/130542728/6595235.pdf
    • http://www.butch3001.com/uploads/1/3/0/5/130542920/jebezunaz_wuratatulodoke.pdf
    • http://ohsosouthernhandcrafteddesigns.com/uploads/1/3/0/7/130775378/cc26ad2e1f7bd1.pdf
    • http://15500avalon.com/uploads/1/3/0/8/130874034/datekagap.pdf
    • http://speculos.ca/uploads/1/3/0/2/130272573/540022.pdf
    • http://www.mbswellnessonline.com/uploads/1/3/0/7/130739224/3213446.pdf
    • http://meddin.space/uploads/1/3/0/3/130323186/6193556.pdf
    • http://webmail.bardosdiamondsports.com/uploads/1/3/0/6/130621844/130621844.html#carbapenem+resistant+enterobacteriaceae+guidelines

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000051e3.bin
26fad6717f0d6827e55a07a1d4375e95d3b308308bc9cdb08e61d2573dd2ff07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51E3 8224 bytes

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