Malicious PDF — malware analysis report

Static analysis result for SHA-256 740f05ae311ee689…

MALICIOUS

PDF

125.9 KB Created: 2021-04-12 21:15:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 353d1793827775339e61f71e1941b4b4 SHA-1: 536a518b061559d950cf2f5748850bab7b7fa0b0 SHA-256: 740f05ae311ee689556290b0d9031566b4d68a79729febc7e6d7299189ff7a1b
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9990

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://botokaw.ru/strik?utm_term=erich+neumann+origins+and+history+of+consciousness+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4466140/normal_605d5b47ace1a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454171/normal_5fdfd90526412.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416139/normal_606a19aae15b0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380675/normal_60183d1ec39d8.pdfIn PDF document text
    • https://cdn.sqhk.co/vogidasobe/hxyhfL0/8998933276.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414871/normal_5fd06fd012ac9.pdfIn PDF document text
    • http://pofuxubilet.sportsontheweb.net/yoga_poses_for_beginners.pdfIn PDF document text
    • http://gudutisiluzew.mypressonline.com/as_vespas_aristfanes.pdfIn PDF document text
    • https://cdn.sqhk.co/naxaroja/2X4ihod/10351273840.pdfIn PDF document text
    • http://robugipunebib.mygamesonline.org/electrician_tool_box_list.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/lanaladu/tamil_album_cut_songs_isaimini.pdfIn PDF document text
    • https://s3.amazonaws.com/sajezife/api_performance_testing_tools_open_source.pdfIn PDF document text
    • https://s3.amazonaws.com/lezopobigeza/pogil_mitosis_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/rumezo/selekabelujaja.pdfIn PDF document text
    • http://xefiposokupama.myartsonline.com/nazutotar.pdfIn PDF document text
    • https://s3.amazonaws.com/fusidejebi/knowledge_graph_question_answering.pdfIn PDF document text
    • https://s3.amazonaws.com/zuwosil/how_much_did_a_pet_rock_cost.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/fobijupigavugesipelonose.pdfIn PDF document text
    • https://s3.amazonaws.com/buxoparadazegu/pomofopusis.pdfIn PDF document text
    • http://xabudavadeguvo.myartsonline.com/65767393236.pdfIn PDF document text
    • https://s3.amazonaws.com/mesixadelomomo/silixuxomoti.pdfIn PDF document text
    • http://pojozija.onlinewebshop.net/cartridges_of_the_world_16th_edition.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001887a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1887A 5480 bytes
SHA-256: 68374557f68d7032a5ca758edda602cf9b4bcb32c92401851b12eb4a15dafe7e
font_01_sfnt_off00019af3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19AF3 12592 bytes
SHA-256: 804ccf02fe31d51dc48a450685e7b8ed1cf213d02baf9ed2911d716ee52deaae
font_02_sfnt_off0001c4ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C4AD 16452 bytes
SHA-256: c3e869c982258b52cb523fa8855d721f52fee239273184788944a9dae5f7aec5
font_03_sfnt_off0001dada.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1DADA 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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