Malicious PDF — malware analysis report

Static analysis result for SHA-256 0edd6884d48fcd77…

MALICIOUS

PDF

40.2 KB Authoring application: GIMP
MD5: 5915d60c53eec317d393880b75d530c0 SHA-1: 30551494349caf146dc5151e2ac4c85ee0b16cfb SHA-256: 0edd6884d48fcd77b8bbc69244f87790f6cc3bf331a711e140240579ace4ca89
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. ClamAV detected this as Pdf.Phishing.TtraffRobotInstall, and ML classifiers also flagged it as malicious. The embedded URLs likely lead to phishing sites or further malware downloads.

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://passporttolbi.net/uploads/1/3/0/5/130551256/serunenewimitis.pdf
    • http://paradigmfactory.com/uploads/1/3/0/4/130476407/53e60f03b5.pdf
    • http://thehandymanhelper.com/uploads/1/3/0/6/130603789/jutuwepenenu.pdf
    • http://www.serpboards.com/uploads/1/3/0/5/130588727/7523148.pdf
    • http://somasoakcanada.com/uploads/1/3/0/7/130739039/7667544.pdf
    • http://plasticgardenshedshq.com/uploads/1/3/0/2/130271245/kimedumutiko.pdf
    • http://siachile.com/uploads/1/3/0/7/130776070/8818582.pdf
    • http://czonecoaching.com/uploads/1/3/0/5/130588248/zaponup.pdf
    • http://turkeycreekretrievers.com/uploads/1/3/0/7/130775125/b059ad6fed9.pdf
    • http://a1773993xstreamtravel.xsideas.com/uploads/1/3/0/4/130491488/425941.pdf
    • http://mhballhockey.com/uploads/1/3/0/5/130539479/xibefo_gufewas_lalux_ferawetonajunum.pdf
    • http://www.straightforwardchirocare.acupuncturevegas.com/uploads/1/3/0/7/130739332/dewes-vemalud-pedawefa.pdf
    • http://www.painterpro62.com/uploads/1/3/0/5/130588596/xurifirawosozukete.pdf
    • http://yulechengluntan.f18.ebkf.org/uploads/1/3/0/4/130489841/xikake_detabob_komamojovafixo_ganofebunudagil.pdf
    • http://merrifieldseminar.com/uploads/1/3/0/3/130313323/jotamukisikufo_belubupesosepuk.pdf
    • http://sacredandsovereign.com/uploads/1/3/0/6/130605258/8379577.pdf
    • http://honeyandserifs.com/uploads/1/3/0/5/130588936/3408565.pdf
    • http://martahewett.net/uploads/1/3/0/5/130551126/66301cd.pdf
    • http://shewproductions.com/uploads/1/3/0/4/130476440/dirodowutazuj.pdf
    • http://housetagger.com/uploads/1/3/0/8/130874634/f2814151439.pdf
    • http://x-statics.com/uploads/1/3/0/5/130550824/8ce89797e3.pdf
    • http://cpt-you-are-not-alone.com/uploads/1/3/0/6/130604984/rewaxerevanebenofo.pdf
    • http://diasporaleaders.com/uploads/1/3/0/6/130639377/76d0054.pdf
    • http://o0ype.bpmtc.com/uploads/1/3/0/5/130539305/130539305.html#tranexamic+acid+injection+melasma

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a1a.bin
1eba0b5c8f9bb74798fa090b95130123dfa401764b9f503457f00b846e785594		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A1A 8116 bytes

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