Malicious PDF — malware analysis report

Static analysis result for SHA-256 02d756e7c8dd728c…

MALICIOUS

PDF

77.7 KB Created: 2021-03-27 21:31:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a345f1bd7bb9ee852e5ba4e199fd7e6 SHA-1: d5703517bcb0e0cfb87c4aaca79597299ec6ae0d SHA-256: 02d756e7c8dd728c93a87f088c6cedef2175e503759fc5bc945914f50aa4a9c3
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, which is a strong indicator of a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm its malicious nature. Although no scripts were explicitly extracted, the presence of external URIs suggests the document is designed to redirect users to malicious content, likely for credential harvesting or further malware deployment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://jumiwimov.ru/aws?utm_term=navy+seal+requirements
    • http://jaxagogilexet.sportsontheweb.net/zodugos.pdf
    • http://hrushch.space/928303435oitw1.pdf
    • http://samoe-samaya.ru/basidiomycota_fungioamm5.pdf
    • http://lazinuno.scienceontheweb.net/medovipiretujokifad.pdf
    • http://septiki-rf.website/ridardv7wq.pdf
    • http://daludaja.getenjoyment.net/83683223144.pdf
    • http://serawuv.mygamesonline.org/45013979647.pdf
    • http://streichpack.online/honeywell_android_scanner_settingsxa829.pdf
    • http://ecoterritory.store/school_mark_sheet_in_excel_formatl0ptr.pdf
    • http://normab-id.com/5_steps_to_a_5_ap_english_language_2soh30.pdf
    • http://mesutilixuta.sportsontheweb.net/close_reading_annotations.pdf
    • http://axecheat9.xyz/vocabulary_words_with_meaning_in_tamil7okkz.pdf
    • http://dreamingdeveloper.com/82205559346sxikb.pdf
    • http://topsalon.xyz/how_to_connect_zen_thermostat_to_wifio0kai.pdf
    • http://xoroketogejuxe.mywebcommunity.org/kenwood_kdc_138_wiring.pdf
    • http://hopecommunitynaz.com/4172704915861faw.pdf
    • http://narovomesizi.medianewsonline.com/61044029487.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xafuvarajuxeg.epizy.com/scert_text_books.pdf
    • https://uploads.strikinglycdn.com/files/8ccff577-b638-42c9-8c5a-9ca1da9c541d/how_bad_can_it_be_lorax_lyrics.pdf
    • http://bokatevifelu.epizy.com/37489744692.pdf
    • https://uploads.strikinglycdn.com/files/d5bc0e73-129e-4cc7-99eb-c47904c3b2c0/nespresso_lattissima_touch_buttons_guide.pdf
    • https://uploads.strikinglycdn.com/files/8e0170ac-c663-46b4-aa6f-4068e398f695/posujiwefisudel.pdf
    • http://bolonovanules.rf.gd/fubekobavure.pdf
    • https://uploads.strikinglycdn.com/files/24376d6b-5b18-49e4-8c46-6a2d4bb1d8fd/how_to_set_military_time_on_armitron_pro_sport_watch.pdf
    • https://uploads.strikinglycdn.com/files/781e3508-46ec-4a75-abf4-b33ba0379921/gezepomeminix.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_off0000f2d5.bin
1a8cdfb1a9284677ef33bd0031eeb1efacab06e367f8abf3a0cbe144073bd5bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF2D5 5088 bytes
font_01_sfnt_off00010423.bin
42bf436f7af7fb7c1b803279bdb141b55227ab8e1cb55a2fd1dc09ae4e412b20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10423 11088 bytes

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