Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d02ed9240f345ce…

MALICIOUS

PDF

196.2 KB Created: 2021-03-19 14:07:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 5a40e15309eb2d81e8fde36e64b45319 SHA-1: 099f1a93c95843e96d3b3bfeb79cf8f7016253b0 SHA-256: 9d02ed9240f345ce704c32681fcc124ac7d14e21c10ff488810980a79ff21a71
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to exploit user interaction, potentially via embedded JavaScript, to navigate to the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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://mezovuduw.ru/award?keyword=ana+catarina+emmerich+pdf PDF link annotation
    • http://sopugepibimel.mypressonline.com/calisthenicmovement_mobility_program.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469350/normal_5fc5f5bb9d1a3.pdfIn PDF document text
    • http://fatunatet.getenjoyment.net/map_of_usa_printable.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377647/normal_601e14c565ac0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://ad9f1622-e3b7-49db-bfef-326c48fb2104.filesusr.com/ugd/a467d2_d5cba4f9aa564965888383d8a521e218.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/d2806b8e-adec-4c89-abc5-f6c740665628/blender_2.8_tutorial_deutsch.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/389f9e62-2b9d-4a7d-9b25-23b52c4c53ba/is_bodyweight_training_effective_for_weight_loss.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/07b1e98a-fdc6-4aa9-8611-da571629335b/zebadoniforoz.pdfIn PDF document text
    • https://14535e1a-360a-4d01-a655-fa33e115c80e.filesusr.com/ugd/b222ea_67611403f216483f898a2e2f59a5545a.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/e024ea57-3c2e-4870-b54f-855257549174/zajuduvebikewurivivule.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/22224692-6a4a-4def-b5e7-8e19d45b7c33/11_minute_countdown_timer_with_16_bit_music_maker.pdfIn PDF document text
    • https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_b32b0969d27944a8b830b44017b90196.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/add855b6-ea0b-4621-911c-193095833fec/what_does_tenth_mean_sentence_commuted.pdfIn PDF document text
    • http://doriponesarom.myartsonline.com/pofozotelovipez.pdfIn PDF document text
    • https://s3.amazonaws.com/fomaralunex/8579732409.pdfIn PDF document text
    • http://girofili.myartsonline.com/how_to_play_old_game_of_life.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/93c3da27-7a09-4637-8a9c-af05d9b6f98d/zimezemutolagonovosukatej.pdfIn PDF document text
    • https://s3.amazonaws.com/fusopoxipo/lotuvutakolo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/535523f2-c0e2-41d6-928a-f33cac4afbeb/garmin_nuvi_2597lmt_ram_mount.pdfIn PDF document text
    • https://748f1d53-d141-46c1-926a-d14fc69713a3.filesusr.com/ugd/e3ed1f_a9da0a60646745939576c5686393b402.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/retobifulipo/balanced_diet_information_wikipedia.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002b85a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B85A 5176 bytes
SHA-256: 9d9788f27f227173600c1550ccbf543bce0cb4ca9779aa246215845417571cd3
font_01_sfnt_off0002c9ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C9CE 26792 bytes
SHA-256: 55145120b7e352baf8d9f6199a1315e194d26616d13f498540dec7f1bcf3f23a

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