Malicious PDF — malware analysis report

Static analysis result for SHA-256 e90ffc1baf2e6082…

MALICIOUS

PDF

35.8 KB Authoring application: Nitro PDF
MD5: afdc2f4c1c0cdb1921f6dc41b9087515 SHA-1: bddff68d6433f3b921caaa0053dc8cb054dacf5f SHA-256: e90ffc1baf2e608252eb9855c983c1eb8f912ac1936fd217cbb659c01dd22007
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of embedded links to other PDF files hosted on various domains, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing and traffic redirection. No scripts were extracted, but the sheer volume of outbound links suggests a coordinated effort to drive traffic to potentially harmful sites.

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://adventureswithrocks.com/uploads/1/3/0/3/130312916/xamowiforakiti-jelod.pdf
    • http://socalbiblestudy.org/uploads/1/3/0/8/130814421/tuxoli-mogalufeju.pdf
    • http://murphyslawfitness.com/uploads/1/3/0/5/130539319/pidajojifabidaf.pdf
    • http://nadinesteklenski.com/uploads/1/3/0/2/130289585/8907727.pdf
    • http://www.heightscornerrestaurant.com/uploads/1/3/0/8/130814457/bunabileretog_sinivifaku_sugenasabatuda_nevipi.pdf
    • http://peensafeconstruction.com/uploads/1/3/0/5/130589191/5a348dc6.pdf
    • http://www.road-to-worship.com/uploads/1/3/0/2/130274355/godaledovuvid-fegop-gizaf-kafidajagexef.pdf
    • http://fe-hotels.com/uploads/1/3/0/4/130488308/9000518.pdf
    • http://meowforlife.com/uploads/1/3/0/8/130873915/e22f1836c620.pdf
    • http://landdesignsconstruction.net/uploads/1/3/0/7/130775986/4aac94e.pdf
    • http://canon-services.com/uploads/1/3/0/2/130272247/6259353.pdf
    • http://nursejackiereallife.com/uploads/1/3/0/6/130621467/869261.pdf
    • http://villasattristant.org/uploads/1/3/0/7/130739218/6247835.pdf
    • http://writelifecoaching.com/uploads/1/3/0/6/130604636/ropifo.pdf
    • http://hostmaster.bathcityfoundation.org/uploads/1/3/0/5/130590153/denisalirox-xuzikajevuzalam.pdf
    • http://myhypecheck.com/uploads/1/3/0/5/130539759/2e9deccbef64.pdf
    • http://dodgeballaustralia.com/uploads/1/3/0/6/130639840/puxovirowa.pdf
    • http://recruitertoolbar.com/uploads/1/3/0/9/130969986/80fccbe6.pdf
    • http://juliablack.net/uploads/1/3/0/6/130621127/ecc26c.pdf
    • http://ultimatecontradiction.com/uploads/1/3/0/7/130776577/bopir.pdf
    • http://www.goldenhawksband.com/uploads/1/3/0/4/130477131/xopitativa_vifok.pdf
    • http://monicajlivingston.com/uploads/1/3/0/5/130588294/sidalegoxaxopa.pdf
    • http://workforcecare.org/uploads/1/3/0/5/130588822/fibeve_zetibaselajas.pdf
    • http://newcanaandems.org/uploads/1/3/0/6/130620325/bacc0e4fc6d.pdf
    • http://www.casemedicine.org/uploads/1/3/0/6/130620736/49f37998b74fd.pdf
    • http://annan.rominastiebenphotography.com/uploads/1/3/0/7/130776219/130776219.html#chlamydial+infection+urine+test
    • http://ultimatecontradiction
    • https://medlineplus.gov/lab-tests/chlamydia-test/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002932.bin
859ce426674dcfa8cb0120337e79861c5a2311ee716709486f54bfa97463b44d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2932 7160 bytes

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