Malicious PDF — malware analysis report

Static analysis result for SHA-256 7eb9f794a721193e…

MALICIOUS

PDF

43.7 KB Authoring application: Adobe PDF Library 9.0
MD5: 933d87e361ed194524a67c5adbc5209a SHA-1: 04fc23b8cacfe8f2b5f9289a9b0d9a4b28649608 SHA-256: 7eb9f794a721193e103ad161c09103214e8e87ba551c09b710cd7df79656c30f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links pointing to external PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.

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://webdisk.lusannahoddell.com/uploads/1/3/0/5/130588230/80f8341fb673.pdf
    • http://sourceenergyrecords.com/uploads/1/3/0/6/130603944/280e2e237c.pdf
    • http://activlang.com/uploads/1/3/0/6/130639683/050893da72c.pdf
    • http://egnconstrucciones.com/uploads/1/3/0/5/130590456/05b1e8c8e.pdf
    • http://bettabowls.com/uploads/1/3/0/6/130639785/vagegoru-meliba.pdf
    • http://lifeinprinceton.com/uploads/1/3/0/6/130639786/keguveka-nijibivedufa-laxipirosix.pdf
    • http://www.malcoelectricnj.com/uploads/1/3/0/5/130541846/mefinagepotugeva.pdf
    • http://zajic.family/uploads/1/3/0/6/130622061/xadezaziwisipiko.pdf
    • http://northparkestatesfinancing.com/uploads/1/3/0/2/130291596/bubapuwogobimod.pdf
    • http://analog.marketing/uploads/1/3/0/5/130588779/7370047.pdf
    • http://sweetsbykay.com/uploads/1/3/0/3/130323322/tumewa_mozasitavud_fixekipan_fogubaliwabijex.pdf
    • http://study.leoinnovationlab.com/uploads/1/3/0/7/130776222/lulitajugix.pdf
    • http://colleenbardelli.org/uploads/1/3/0/4/130483869/6682685.pdf
    • http://reparacionpersianas.org/uploads/1/3/0/6/130621798/672899760c2b.pdf
    • http://pyrotosports.com/uploads/1/3/0/6/130604408/kinivi.pdf
    • http://vpstestsite.com/uploads/1/3/0/6/130603895/7b636c.pdf
    • http://northwestembroidery.net/uploads/1/3/0/3/130379294/5d5d987de.pdf
    • http://naema.ca/uploads/1/3/0/5/130540504/6e85d2d.pdf
    • http://amodoprojects.com/uploads/1/3/0/6/130604512/aba704e88d6ba.pdf
    • http://innovanations.com/uploads/1/3/0/5/130589187/fusiwixetiveluxumev.pdf
    • http://shutouttraining.com/uploads/1/3/0/7/130776692/lamojikagut.pdf
    • http://mentorhood.com.hk/uploads/1/3/0/5/130539309/muvitakuvi-kevodubiro-zoputot-nimamuribit.pdf
    • http://www.secretdiscoveries-travel.com/uploads/1/3/0/5/130539442/jedobojedu-gilokupomoj.pdf
    • http://chloerfernandez.com/uploads/1/3/0/5/130551011/logomi.pdf
    • http://sunitamedium.com/uploads/1/3/0/3/130379164/130379164.html#world+bank+absolute+poverty

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004860.bin
4988d5347b18ea00995f72f3c97887714e68d7c8b538d7e32853e0e72c49bafa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4860 7720 bytes

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