Malicious PDF — malware analysis report

Static analysis result for SHA-256 69429471b99e7b1d…

MALICIOUS

PDF

37.7 KB Authoring application: Karbon
MD5: 3e570b491df57d507fd67454717fb2e2 SHA-1: 683e6224041d0e0396de08fb097b640697bbce29 SHA-256: 69429471b99e7b1d21d86793b6cdf1ad0d395b2cd84dd35aef0f10cbf7c57c62
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, a technique often used for SEO spam or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body itself appears to be corrupted or obfuscated, providing no clear user-facing lure.

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://seattlecitylight.org/uploads/1/3/0/8/130874304/kezonewagox.pdf
    • http://coinoplaundryparts.com/uploads/1/3/0/6/130621052/kunusu_wuvesebu_zemavetojozedo_dasosisavigune.pdf
    • http://mochapterseven.com/uploads/1/3/0/7/130740393/rijukow.pdf
    • http://radikal4kidzinc.org/uploads/1/3/0/6/130622068/7197610.pdf
    • http://brynmawrrestaurants.com/uploads/1/3/0/2/130291766/logiwotixipafi_vujekegatuvuma.pdf
    • http://belgiantrade-australia.org/uploads/1/3/0/5/130551258/8257e72f6c25.pdf
    • http://balmingileadskincare.com/uploads/1/3/0/7/130775666/mujajon-lipazu-joxoduvife-dofezawi.pdf
    • http://tomorrowlogy.com/uploads/1/3/0/4/130489958/nekip.pdf
    • http://foren.bootsalebonanza.com/uploads/2020/01/28/c82457317ad0.pdf
    • http://ruedasdeinnovacion.com/uploads/1/3/0/4/130489075/6575309.pdf
    • http://elrinteriors.com/uploads/1/3/0/5/130543240/rewuwovukimejer-xikoxozoju-fofotegumefu.pdf
    • http://hamdenmusic.org/uploads/1/3/0/3/130313378/2526693.pdf
    • https://rafapabofog.weebly.com/uploads/1/3/0/5/130590420/2273974.pdf
    • http://latoniaprice.com/uploads/1/3/0/2/130270924/4f7ceb.pdf
    • http://myoutdoorvisions.com/uploads/1/3/0/2/130274088/2670776.pdf
    • http://blackwomensyogaretreats.com/uploads/1/3/0/6/130604488/kipigunelove-gukeva-petorezijevepid.pdf
    • http://mycommonwealth.org/uploads/1/3/0/5/130539131/falagojofug_wuvavivufalix.pdf
    • http://wrappedupinlove.com/uploads/1/3/0/6/130604568/tefariwemijajur.pdf
    • http://cookingeasyfood.com/uploads/1/3/0/6/130639916/natavap.pdf
    • http://safebeautymovement.org/uploads/1/3/0/5/130546290/2779361.pdf
    • http://christinaparrella.com/uploads/1/3/0/7/130740323/pedekijipiji_mewazakedoxajo_gaxavanipinuru.pdf
    • http://encanaplanophotos.com/uploads/1/3/0/5/130542982/nogoxetofugogul_juzafogenijabu_padevifaxuwale_lamonilifatuw.pdf
    • http://thecraft2draft.com/uploads/1/3/0/7/130775116/15c7b10.pdf
    • http://neokundalini.org/uploads/1/3/0/4/130483811/130483811.html#cambridge+english+proficiency+test+sample+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030ae.bin
2141519564400decdff474aaa3be97003941244104fe9cfc2cfe8503ccb42d6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30AE 7716 bytes

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