Malicious PDF — malware analysis report

Static analysis result for SHA-256 f69e161d5dbba72e…

MALICIOUS

PDF

37.6 KB Authoring application: Adobe PDF Library 9.0
MD5: 36f0d61b5e48a0c426278f9fde559bb2 SHA-1: dfc203884762c439c13deb01cb7f539795414bb0 SHA-256: f69e161d5dbba72e3f27d2be8c08a634b54b6e3fc63d7170bf7fcf16600204df
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or distributing further malware. The embedded URLs are the primary indicators of compromise, pointing to a potential link farm used for SEO manipulation or to host malicious payloads.

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://bfcxpress.org/uploads/1/3/0/4/130476157/mojitepiwi.pdf
    • http://deafphonics.com/uploads/1/3/0/7/130776446/06bfc.pdf
    • http://www.lovelutiover.com/uploads/1/3/0/6/130620635/09671adaf4ad37b.pdf
    • http://multifandomshop.ca/uploads/1/3/0/4/130436209/talexufapo.pdf
    • http://oxytocinenterprises.com/uploads/1/3/0/6/130621857/f48c0.pdf
    • http://www.findomcash.com/uploads/1/3/0/6/130603832/9518981.pdf
    • http://mail.sharonstaffordmetals.com/uploads/1/3/0/7/130774962/kewikelere.pdf
    • http://www.bonobovitality.com/uploads/1/3/0/4/130435982/1065923.pdf
    • http://alexandremartorano.com/uploads/1/3/0/3/130323573/6020291.pdf
    • http://mysouthshorecharteracademy.com/uploads/1/3/0/5/130539944/832266.pdf
    • http://hostmaster.cynllunio.cymru/uploads/1/3/0/7/130775934/150106.pdf
    • http://lacollectiva.org/uploads/1/3/0/6/130620845/xevetotevo.pdf
    • http://recalibratingemotions.org/uploads/1/3/0/2/130287462/zureforufuvifew_jizefafo.pdf
    • http://www.twins4thewin.com/uploads/1/3/0/5/130551729/vugatujazevos.pdf
    • http://nycraftworks.com/uploads/1/3/0/4/130488734/vodopujo.pdf
    • http://objectrelationsrecords.com/uploads/1/3/0/6/130639284/c7bfceca.pdf
    • http://cracksnail.com/uploads/1/3/0/7/130776714/caeced09e8cc77f.pdf
    • http://northwesternbreastsurgeons.com/uploads/1/3/0/7/130738511/dobil.pdf
    • http://transportlipigorski.pl/uploads/1/3/0/7/130739415/4177882.pdf
    • http://foto-research.com/uploads/1/3/0/7/130775334/tigajopo.pdf
    • http://mgtavconference.com/uploads/1/3/0/5/130588858/gewakenunari.pdf
    • http://jer-zu.com/uploads/1/3/0/7/130739573/vamuvetokonifof.pdf
    • http://tickled-ink.co.uk/uploads/1/3/0/8/130814863/mukepireju.pdf
    • http://severedthumbsart.com/uploads/1/3/0/3/130323374/lepewomavobuludozu.pdf
    • http://host238.carmichaelnl.com/uploads/1/3/0/3/130323091/130323091.html#papa+cambridge+o+level+additional+maths

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fd2.bin
4268034f42ff668f9f51fe11620438ca5b5f70721c644b0178d5721b6cc14d06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD2 7860 bytes

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