Malicious PDF — malware analysis report

Static analysis result for SHA-256 02d2eb15ff575573…

MALICIOUS

PDF

91.8 KB Created: 2021-03-18 07:33:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a5b6fc51a5afde644247fa6c13c28871 SHA-1: d5ddf098f62164935011f8b3c1bcf1ed06768534 SHA-256: 02d2eb15ff575573e36c5ffea496f056aeccffb0590ed4df9b6a0b976a405563
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that directs the user to a website disguised as a game guide, which is a common phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. While no scripts were directly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious content.

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/wix?keyword=super+smash+bros+brawl+stickers+guide
    • http://my-favshopd.online/damazowafefokixirupowaz21by.pdf
    • http://manovina.mypressonline.com/35236505006.pdf
    • http://jakartapro.xyz/696460406892g9mi.pdf
    • http://instapriz365.site/pile_et_oxydorduction_1ere_s6mgp5.pdf
    • http://wipalogazagak.22web.org/surface_area_of_rectangular_prism.pdf
    • http://ziweninuxepip.iblogger.org/fudepofeginumobezi.pdf
    • http://usejus.pro/xepetuzifuripopulibiwuwo3sj4b.pdf
    • http://organicnu.info/amazing_labyrinth_game_pieces2iz4k.pdf
    • http://peuer.xyz/volume_of_rectangular_prisms_worksheets_answersybwm8.pdf
    • http://gagitevanonuti.mywebcommunity.org/world_history_textbook_online_9th_grade.pdf
    • http://minozodatatinad.22web.org/26378371355.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/gonima/how_to_use_brinkmann_trailmaster_vertical_smoker.pdf
    • http://bosulug.epizy.com/zavenuroji.pdf
    • https://s3.amazonaws.com/jedadokuti/hp_psc_1315_problema_impressao.pdf
    • https://s3.amazonaws.com/petuzutemixuvod/93847558727.pdf
    • https://s3.amazonaws.com/lolijexejomak/canon_pixma_mg2520_scanner_software.pdf
    • https://s3.amazonaws.com/lekelepowo/ralph_ellison_invisible_man_summary.pdf
    • https://s3.amazonaws.com/juvetaso/havering_sixth_form_phone_number.pdf
    • https://s3.amazonaws.com/mokuwanibof/order_of_operations_maze_free.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_off00012956.bin
449a2c13dba442da3d111ab68addf7378a5747f50a5ead4e420828b45635240d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12956 5884 bytes
font_01_sfnt_off00013d39.bin
727f5c8f3166c72b30358c6cfe21a4eb5715fb5218f9a6763b550484003a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13D39 11008 bytes

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