Malicious PDF — malware analysis report

Static analysis result for SHA-256 195840621e8cd65d…

MALICIOUS

PDF

68.0 KB Created: 2021-03-18 16:38:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d1d61872d628b2aeeb981a95bee75ffd SHA-1: 752fa0558da877134ad00d38373b5d378d8186cc SHA-256: 195840621e8cd65df8e44f9452343c00ee8fc93086083a81d152f40cc732af1d
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The embedded URL points to a suspicious domain, suggesting it's part of a phishing campaign designed to trick users into downloading further malicious content. The document body, though obfuscated, contains keywords related to search queries, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://zajinet.ru/wix?keyword=honda+pilot+repair+manual+pdf
    • http://texewofe.22web.org/how_do_complex_sentences_engage_the_reader.pdf
    • http://show-visitor.xyz/netgear_router_wps_button_not_workingwgxs6.pdf
    • http://naturaleone.space/786646730086zf04.pdf
    • http://copyrightproblem.com/la_casa_delos_espiritus_resumen92xmq.pdf
    • http://otomail.business/24569803966krrqm.pdf
    • https://cdn-cms.f-static.net/uploads/4372378/normal_603a53139b46c.pdf
    • http://peroruse.iblogger.org/example_formal_letter_writing_pt3.pdf
    • http://jafilakawusuf.iblogger.org/wajaxuxogiritiridimejatu.pdf
    • http://yellownatural.space/110678382853ykp2.pdf
    • https://cdn-cms.f-static.net/uploads/4406775/normal_5fd7a48134faa.pdf
    • http://xogumilagu.iblogger.org/12869129537.pdf
    • http://badgesverified.com/mizisigividilonx15o.pdf
    • http://rifikelatukuw.iblogger.org/xoxibudajof.pdf
    • http://3gusevshop.space/30010593990jsdmq.pdf
    • http://mebel-albero.ru/how_to_use_raid_max_ant_trapsvhkm8.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://funuduki.rf.gd/what_does_fortnite_run_on_answer_key.pdf
    • http://kokiralasido.epizy.com/xojifanifowilubama.pdf
    • http://xoviketi.epizy.com/13024206585.pdf
    • https://s3.amazonaws.com/widuxade/alice_munro_dear_life.pdf
    • https://s3.amazonaws.com/pobixedele/lagu_bts_album_pertama.pdf
    • https://s3.amazonaws.com/fizufapu/8410303871.pdf
    • https://s3.amazonaws.com/rimepusox/63692503821.pdf
    • http://tobavukopipe.epizy.com/traditional_bowyer_s_bible_volume_4.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_off0000ce74.bin
69a060e2cbb6883eebc63a1c52d4f2c66da6d7f21a26d549d1a1013989653ce6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCE74 4968 bytes
font_01_sfnt_off0000df41.bin
a09e74760507931629ed794995824db943cd7cc56d2acd7e9ab91e7c22c087ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF41 10444 bytes

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