Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dd80c6262757dd1…

MALICIOUS

PDF

83.0 KB Created: 2021-03-29 07:41:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 05094afcb969447cd9d5b54a8b30f572 SHA-1: e85499bb95f28f1645cdc62dcdf88cf7ea620731 SHA-256: 0dd80c6262757dd19960ca909d82413b36c0bea7d712e4184e9d2ae79509da6f
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the detection suggest a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://pelibifir.ru/wix?keyword=indian+idol+finale+2020+tickets
    • http://zofunubesosena.mypressonline.com/nebulizacion_con_solucion_hipertonica.pdf
    • http://dodajavux.scienceontheweb.net/wokezokukiz.pdf
    • http://kutatit.getenjoyment.net/96476427168.pdf
    • https://moxitimufetumo.weebly.com/uploads/1/3/4/0/134040580/panujuga.pdf
    • https://cdn-cms.f-static.net/uploads/4473971/normal_6045c7264ae4f.pdf
    • http://50offstore.pro/feserikiluteh9b1.pdf
    • https://zobaretax.weebly.com/uploads/1/3/1/4/131482953/597db19e0aa.pdf
    • https://biwawidojimu.weebly.com/uploads/1/3/4/6/134648839/lixovogiv.pdf
    • https://cdn-cms.f-static.net/uploads/4402478/normal_6039c394db8f7.pdf
    • https://nedosadowizo.weebly.com/uploads/1/3/5/3/135347652/9625560.pdf
    • https://cdn-cms.f-static.net/uploads/4366976/normal_6046e14da0ed9.pdf
    • http://francobusiness.com/82282002515bota7.pdf
    • https://cdn-cms.f-static.net/uploads/4459055/normal_5fd65c37b1642.pdf
    • http://callipakk2.site/mokeleniworonotedetebigeffhb6.pdf
    • https://cdn-cms.f-static.net/uploads/4456128/normal_600a45d77e427.pdf
    • http://fastdonwload.space/hangman_movie_sequelq3z4y.pdf
    • http://yourdesk.website/69066832405pkmup.pdf
    • https://cdn-cms.f-static.net/uploads/4459774/normal_6020b9c04f87a.pdf
    • https://kezexawu.weebly.com/uploads/1/3/0/8/130814062/8acc82590c1be.pdf
    • http://kalukoroduro.mygamesonline.org/fsk_modulation_and_demodulation.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fedorahosted.org/lohit
    • https://s3.amazonaws.com/vizegemawokaxe/how_can_i_improve_my_childs_social_skills.pdf
    • https://s3.amazonaws.com/wuwabobujasivor/fortiswitch_124e-_fpoe_datasheet.pdf
    • https://s3.amazonaws.com/sowewazulejewi/75244231338.pdf
    • https://s3.amazonaws.com/mipizaju/21_day_sugar_detox_daily_guide.pdf
    • https://s3.amazonaws.com/vofadoloves/nursing_theorists_and_their_work_9th_edition_ebook.pdf
    • http://zijedan.atwebpages.com/gegote.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e4ca.bin
b0469f1865303f1d1250a1c71be0503e999f1a01e89e943b4976767e86ca53b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE4CA 5192 bytes
font_01_sfnt_off0000f694.bin
2fc625142da873ea57137fde75312411b97d512a4e1bfbf510c101bf33b49ff6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF694 10528 bytes
font_02_sfnt_off00011ae5.bin
a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11AE5 16204 bytes
font_03_sfnt_off0001304e.bin
775f94247376a7a0f58637fe339dae5d6f943468635b202792b1a28a4a0c835f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1304E 3368 bytes

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