Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c6bd7bb59eee3d7…

MALICIOUS

PDF

85.3 KB Created: 2021-03-24 01:49:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 20b0766a569051918fc677be180caeff SHA-1: 5ae49acee07a1eb4aa079ef1db43666f94475dbc SHA-256: 9c6bd7bb59eee3d755afd8a718caeca5d6b1d4b276c82ad3a1a8fa829dbc9a3d
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://leonvi.ru/wix?keyword=oyster+mushroom+spawn+near+me PDF link annotation
    • https://cdn.sqhk.co/mowamukar/vogif4v/vamipaga.pdfIn PDF document text
    • https://cdn.sqhk.co/datujisukebe/xmgchhc/voice_chat_video_games_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/jitolado/hiehfcy/pajuji.pdfIn PDF document text
    • https://cdn.sqhk.co/ninivaxibab/jf7iiew/jupilutikimow.pdfIn PDF document text
    • https://cdn.sqhk.co/jobiwokojo/7ihc6oo/red_and_orange_balloon_garland.pdfIn PDF document text
    • https://cdn.sqhk.co/vifamepupib/50EahfA/foworaxan.pdfIn PDF document text
    • https://cdn.sqhk.co/lofakekaf/ibjbKgf/ninja_samurai_assassin_hero_3_egypt_hack_apk.pdfIn PDF document text
    • http://roserubusigiwij.mywebcommunity.org/wrist_strengthening_exercises.pdfIn PDF document text
    • https://cdn.sqhk.co/xedasuzefer/hfazhfk/used_cars_near_me_under_5000_by_owner.pdfIn PDF document text
    • https://cdn.sqhk.co/teposodigar/YmGggij/46329479670.pdfIn PDF document text
    • http://fepaporipevari.mypressonline.com/91197484956.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/ziwuvijevo/common_themes_in_african_american_literature.pdfIn PDF document text
    • https://s3.amazonaws.com/zusevamasor/cold_blooded_and_warm_blooded_animals_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/napejaxosinages/best_brand_of_heat_pumps.pdfIn PDF document text
    • https://s3.amazonaws.com/pevuwarobuvowa/10117381764.pdfIn PDF document text
    • https://s3.amazonaws.com/semuxemakaw/1931921793.pdfIn PDF document text
    • https://s3.amazonaws.com/gateme/21528741683.pdfIn PDF document text
    • https://s3.amazonaws.com/daxemo/bixevoro.pdfIn PDF document text
    • https://s3.amazonaws.com/sowewazulejewi/nunofibuxezarutagemogoto.pdfIn PDF document text
    • https://s3.amazonaws.com/kubafezin/35707501498.pdfIn PDF document text
    • https://s3.amazonaws.com/fulosobezur/wipejumarivomijeros.pdfIn PDF document text
    • https://s3.amazonaws.com/kimone/86757926915.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f141.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF141 5248 bytes
SHA-256: 43abb6e53f3d3771b11c7c30758f3c1e8a1885d221c649aa092b5194ae6f5fdd
font_01_sfnt_off000102f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102F7 2328 bytes
SHA-256: e8bafdce685660bedbea99f3bb3dfb39417b3f9655d94a801bc4e28121e82bb9
font_02_sfnt_off00010d7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D7D 10500 bytes
SHA-256: 4366709af46aec3064d9efcb201a430c4cba5e0b6ba7f16a61d11c54dd6eb1cc
font_03_sfnt_off00013178.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13178 16164 bytes
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6

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