Malicious PDF — malware analysis report

Static analysis result for SHA-256 079e23380adae8de…

MALICIOUS

PDF

86.7 KB Created: 2021-03-28 15:31:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9a4a3a05ab8baa894640c3e1a084cfe4 SHA-1: 98705932e20d37512ae66077391600c0113f91a9 SHA-256: 079e23380adae8dec8adbecdb927754d13e60c157bf405803711cd49c1cc9d4a
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URI pointing to a URL that appears to be a lure, using a search query related to 'definicion de placa bacteriana pdf'. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into visiting a malicious website, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jacksth.ru/award?keyword=definicion+de+placa+bacteriana+pdf
    • http://uniques.space/30994212109wcnen.pdf
    • http://zerkalo-fugicar.website/tecnologa_de_las_centrales_termoelctricas_convencionalesawh6q.pdf
    • https://xelisiji.weebly.com/uploads/1/3/4/5/134524002/sowif.pdf
    • http://creditactive.info/how_to_make_formwork_for_concrete_stairsxzckm.pdf
    • http://sberhome.ru/ditodismfyp4.pdf
    • http://wunowixumofe.22web.org/baxukakasabip.pdf
    • https://dofolemabumef.weebly.com/uploads/1/3/4/4/134458616/tulozesoniba.pdf
    • http://copyright-rules-help.com/5833490070f6ceh.pdf
    • http://unosital.space/netflix_after_hours_reportxy9kw.pdf
    • https://kasuvimifimo.weebly.com/uploads/1/3/1/6/131637099/bekil.pdf
    • http://soldonlakewood.com/affichage_formule_excel_2010wnll9.pdf
    • https://guditeni.weebly.com/uploads/1/3/4/5/134529862/zedexakokod.pdf
    • http://ctuxuu.com/los_fundamentos_del_voleibol6s9bc.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://ee897e78-a157-4eb5-8a47-d615096087a2.filesusr.com/ugd/113e89_62982b93f0d54e7a88ee997a1ba3be7f.pdf?index=true
    • https://s3.amazonaws.com/jowutoneranemuk/polozavakipajifawilasugo.pdf
    • https://599b09cd-7b6a-4758-94a3-08a08d316165.filesusr.com/ugd/628a76_3c28c0252e0e4baabed80554c4921b1d.pdf?index=true
    • https://s3.amazonaws.com/leteraxewe/xuvogiru.pdf
    • http://pewaxoxepizus.rf.gd/self_addressed_mailing_labels_template.pdf
    • https://s3.amazonaws.com/genedesowul/arc_length_homework_answers.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000feb6.bin
fcd7642855d9e84f880be6a9d549a6852a591e06dbd187758501153881f02c1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFEB6 5112 bytes
font_01_sfnt_off00011025.bin
8af01fed3055804168c7abf7c7d9799e9e5197d2dc96fcfdaf77869cb5e2a5f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11025 11600 bytes
font_02_sfnt_off00013646.bin
541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13646 16204 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.