Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6a242e0983eea70…

MALICIOUS

PDF

72.8 KB Created: 2021-03-15 02:13:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9ffde56ef1e9c553da0151c5e09f0a3e SHA-1: e95839405d3f72fc6066f8b0ce9c86451c625bce SHA-256: e6a242e0983eea70801c75b55c3953b83cb891aeffe20390995247b2e149c3e4
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple invisible links pointing to suspicious domains, with one specifically leading to another PDF file. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the presence of suspicious URLs and the nature of the heuristics suggest a phishing or downloader attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
    PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 https://mezovuduw.ru/wix?keyword=garden+of+salvation+loot+pool
    • http://xezawavebavulem.iblogger.org/3908707394.pdf
    • http://gatowixipeba.mywebcommunity.org/tumolawibopumujamuka.pdf
    • http://navevukosuso.mypressonline.com/godamaxufekumedubobidofek.pdf
    • http://1xbet-football.fun/duralast_700_peak_amps_jump_starter_price85m3c.pdf
    • http://samozanyat.info/cisco_catalyst_2950_manual_espaol7vuzf.pdf
    • http://securitycheckingbrowservkcom.xyz/nabutagezovidesajisabib744.pdf
    • http://wewogokuwidu.mywebcommunity.org/xavufusobogizajo.pdf
    • http://sevowina.medianewsonline.com/xasebesesevorunonebej.pdf
    • http://mrshadow.net/buddhistische_geschichtenq019y.pdf
    • http://gejudoxe.mypressonline.com/school_wide_behavior_plan.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fukokikedusej.epizy.com/bajemomugumozurosax.pdf
    • https://uploads.strikinglycdn.com/files/c972d22c-f70d-4f51-8152-6192b669d6fc/zudovawalodesogananu.pdf
    • https://uploads.strikinglycdn.com/files/89a66cb9-db80-49f0-89c0-3ce5482e45f2/kejiruxufeniwixig.pdf
    • http://gumikibe.rf.gd/20573161838.pdf
    • http://tijopuzotozume.rf.gd/bioman_protein_synthesis_race_worksheet_answers.pdf
    • https://uploads.strikinglycdn.com/files/3c360a81-12ab-4455-b1f8-cfc602031c93/are_giant_covalent_substances_soluble_in_water.pdf
    • http://bivojeda.atwebpages.com/black_stone_cherry_the_human_condition_gold_vinyl.pdf
    • https://uploads.strikinglycdn.com/files/f90d72f0-bb07-453b-b9ad-10acde0a0c68/wogugezexuduk.pdf
    • http://bowibimedex.rf.gd/xidodakujosozofolatotefo.pdf
    • http://lawazujazigefon.epizy.com/volkswagen_eos_transmission_fluid_change_cost.pdf
    • https://uploads.strikinglycdn.com/files/ca4e6ab2-5a93-4baf-a9e2-e244fae02fee/what_is_jitter_in_procreate.pdf
    • http://pevuzimoba.rf.gd/how_long_does_a_black_and_decker_40_volt_battery_last.pdf
    • http://pidalov.rf.gd/al-quranul-karim_mushaf_al_barkah_a5_hard_cover.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000de16.bin
1d9a711ee1e2d2acaa7562ee83646ec239db43f8342f618092c1ec93cabcf8d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDE16 5128 bytes
font_01_sfnt_off0000efa2.bin
186ba19a4a877a97919acf04b8754e007f439dded3ce1581efaa3bae923961e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEFA2 11760 bytes

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