Malicious PDF — malware analysis report

Static analysis result for SHA-256 028405f315090e96…

MALICIOUS

PDF

90.0 KB Created: 2021-06-01 02:03:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8486de27d63fdabb3a8a9442fb6dbbaf SHA-1: 5b9259642c6d80e319b1347c6ad9f3b6e2011062 SHA-256: 028405f315090e96c37626015c8521037852f091f4b8113690f62a4fba811516
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that points to a resource related to cracking software, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature. While no scripts were directly extracted, the presence of an external URI and the overall context indicate a likely attempt to trick users into downloading or executing further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9905

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://archism.ru/pbw?utm_term=illustrator+2020+crack+youtube
    • https://cdn-cms.f-static.net/uploads/4465123/normal_605396f22bcc5.pdf
    • https://zokefipevi.weebly.com/uploads/1/3/4/3/134311683/149dfd89729.pdf
    • https://static.s123-cdn-static.com/uploads/4503767/normal_6008cb36747ef.pdf
    • https://xasotuda.weebly.com/uploads/1/3/4/2/134235861/2359277.pdf
    • https://towotadop.weebly.com/uploads/1/3/2/6/132682697/gupot-wezotajinafo-sarerofo-sowabidajon.pdf
    • https://cdn-cms.f-static.net/uploads/4459621/normal_6050e69437a98.pdf
    • https://cdn-cms.f-static.net/uploads/4381973/normal_600cf53d9bd21.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://lakebimutep.pbworks.com/w/file/fetch/144416964/45085851059.pdf
    • http://viluxese.pbworks.com/w/file/fetch/144428688/razudad.pdf
    • http://xuruzinijub.pbworks.com/w/file/fetch/144423816/kizubodoxeb.pdf
    • http://taxexuwej.pbworks.com/f/wonivoxiv.pdf
    • http://lugozamuxika.pbworks.com/f/84401964563.pdf
    • https://uploads.strikinglycdn.com/files/6f036d0f-be0e-4414-94d5-d9009f989c0f/givokowaleboban.pdf
    • http://zopujoxobug.pbworks.com/f/angry_neighbor_apk_indir_android_oyun_club_son_srm.pdf
    • http://nusuwoxub.pbworks.com/f/vapikeguf.pdf
    • http://zikupuzajix.pbworks.com/f/zubixumurugap.pdf
    • https://uploads.strikinglycdn.com/files/e3447a96-9be5-4c7f-8b00-06c5490954cc/lotus_car_logo.pdf
    • http://viluxese.pbworks.com/w/file/fetch/144427386/fijinemavivejajanarenimoj.pdf
    • http://xojifot.pbworks.com/w/file/fetch/144428145/fapudalonidevenuz.pdf
    • http://jajafad.pbworks.com/f/99574349334.pdf
    • http://godekazonigi.pbworks.com/f/spiderman_ps4_gameplay_download_apk.pdf
    • http://funinupun.pbworks.com/f/ghost_win_7_32bit_siu_nh_2019.pdf
    • https://uploads.strikinglycdn.com/files/53534551-aea9-416c-870f-2652d8daac4e/what_does_blinking_light_on_furnace_mean.pdf
    • https://uploads.strikinglycdn.com/files/a22340ba-52aa-40c0-a1c0-c76069e383bd/nojuxijejoruv.pdf
    • http://kufavuva.pbworks.com/f/exercices_corrigs_barycentre_premire_s.pdf
    • http://rugewenuzed.pbworks.com/w/file/fetch/144423462/buvirixu.pdf
    • https://uploads.strikinglycdn.com/files/564a671d-d0dc-4ae1-ad17-93c62ebb3424/jefofinozazane.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e140.bin
11fd2267ad0fc0367d25b4bbc8fe5bcf6f8e2f5e794f8174df0c6285fdeed0da		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE140 5072 bytes
font_01_sfnt_off0000f2fe.bin
c7f5815b7ddc5fd9f5cbc36fc36c7bde5a9a6e6d58dc7fd25b7accd39d0f6546		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF2FE 5036 bytes
font_02_sfnt_off00010434.bin
2dc929bee8fb680b5325fed397e4b3a774cb9e986e954d738f75e3df18fbbfbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10434 18236 bytes
font_03_sfnt_off00013366.bin
521a622104b29a2838aa60f138612aa59f43fe113ff64bb40536c95f043ac8f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13366 16412 bytes
font_04_sfnt_off000149a2.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x149A2 4324 bytes

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