Malicious PDF — malware analysis report

Static analysis result for SHA-256 d93b561fff449ed8…

MALICIOUS

PDF

79.9 KB Created: 2021-04-06 03:01:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3094fce5f3b169306f73b637b1067435 SHA-1: 92590fe4bd065579c0e211c65b768459bfd4dc89 SHA-256: d93b561fff449ed8085db8a75dd5d0de9cd67ae082bf231abc39cec225b5b6b8
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that leads to a suspicious domain, identified by heuristics as a potential phishing or malicious link. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL suggests an attempt to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://soxebez.ru/aws?utm_term=sole+e25+measurements
    • https://static.s123-cdn-static.com/uploads/4416927/normal_5fe4015a4a9b7.pdf
    • https://subafeso.weebly.com/uploads/1/3/3/9/133986831/9787051.pdf
    • https://xajomorunineg.weebly.com/uploads/1/3/1/3/131383441/sinugokule-nulisili-vuzosidi.pdf
    • https://cdn-cms.f-static.net/uploads/4491934/normal_6012e35351cdb.pdf
    • https://dupizonax.weebly.com/uploads/1/3/1/3/131380343/pilebuwonokeza.pdf
    • https://cdn.sqhk.co/vuzujugasije/vCVgjFg/86311551991.pdf
    • https://cdn.sqhk.co/nisikevepoxi/gcijgc1/89720256257.pdf
    • https://xoxigukot.weebly.com/uploads/1/3/4/8/134861038/buzevo.pdf
    • https://jezemukefanufem.weebly.com/uploads/1/3/4/7/134765918/fd0e5a520d05aa0.pdf
    • http://nadugavuwitaleb.iblogger.org/black_and_decker_waffle_maker_reviews.pdf
    • https://cdn-cms.f-static.net/uploads/4493209/normal_6012f2da1ee71.pdf
    • https://cdn.sqhk.co/modajili/T8Hn1jb/bemuzibavafa.pdf
    • https://cdn-cms.f-static.net/uploads/4421466/normal_6057a5f666887.pdf
    • https://cdn.sqhk.co/dinigivo/l5gifws/hanging_basket_mail_organizer.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://botovomevagexe.epizy.com/couple_sketch_images_free.pdf
    • https://uploads.strikinglycdn.com/files/7f6998aa-f803-455e-b560-099b1f88596d/infinix_note_9_price_in_pakistan_2020.pdf
    • https://uploads.strikinglycdn.com/files/0d6ba112-1b3b-4f5f-8acf-1c3667c4e407/little_wing_chords_eric_clapton.pdf
    • http://dodipovoz.epizy.com/46319799459.pdf
    • https://uploads.strikinglycdn.com/files/36d21692-e5c4-408c-89c2-623c2ac1e450/what_does_it_mean_when_fedex_says_address_corrected.pdf
    • https://uploads.strikinglycdn.com/files/d1fc2851-4a5c-4a82-af2d-00f11eb3fbf2/handheld_sewing_machine_instructions.pdf
    • https://uploads.strikinglycdn.com/files/47b8f786-5cb8-4c6a-baa2-7c0ee7a444f1/begivefijupisul.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_off0000fa3b.bin
282650b698c2e155cd805fce227b9332b4a8665cf35684834e7d497c1bb71a88		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFA3B 5188 bytes
font_01_sfnt_off00010bc1.bin
39461c43c1efb2ce80f4d557a6f7dde9fb6c3b277057f6376b8f15ca6e67c0c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10BC1 11380 bytes

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