Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b7adf82134e3518…

MALICIOUS

PDF

78.5 KB Created: 2021-03-23 16:02:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c0414c46bc57d60df2a6cc05c12ed8f0 SHA-1: 94e8bab690620ea663baac4658efaed521317814 SHA-256: 8b7adf82134e35181b2bc73b9619a0bb450e6a6e61e99585fa9f504170e15eb4
104 Risk Score

Malware Insights

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

The PDF file contains a lure related to a car owner's manual, which is a common tactic for phishing or malware distribution. It embeds a URL that likely leads to the download of a malicious payload. The ClamAV detection and ML classifier strongly indicate malicious intent, aligning with a phishing or trojan delivery pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://xezojetit.ru/123?utm_term=kia+cerato+2010+owners+manual
    • http://kamikofonem.mygamesonline.org/43226274263.pdf
    • http://fupemagis.mywebcommunity.org/how_to_calculate_cost_per_unit_of_product_in_excel.pdf
    • http://raxewaponoxiv.mygamesonline.org/aryabhatiya_sanskrit.pdf
    • http://dijawobal.iblogger.org/wugegozamusaw.pdf
    • http://lipegilu.iblogger.org/barbarians_at_the_gate_the_fall_of_rjr_nabisco.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/800bdc5c-d5ce-418d-860c-aaa40c587f03/fifty_shades_of_grey_cast_2018.pdf
    • https://s3.amazonaws.com/votuweroxigezog/ad_astra_movie_dual_audio.pdf
    • http://juwukopegonamu.onlinewebshop.net/is_armitron_watches_a_good_brand.pdf
    • https://uploads.strikinglycdn.com/files/1cf0f80c-60ec-495f-8044-aa3d7a3103ef/tebufizora.pdf
    • http://zidumive.rf.gd/26925304517.pdf
    • https://uploads.strikinglycdn.com/files/23c425fd-f456-4567-8a76-027cf2b2ebdf/7492666427.pdf
    • https://uploads.strikinglycdn.com/files/6f176018-3660-4f59-8956-df870035f034/mobile_pawn_shop_business_plan.pdf
    • https://uploads.strikinglycdn.com/files/cbd7021d-2758-48bd-a2b3-4f8f6bbbae02/what_is_the_order_of_the_pauline_epistles.pdf
    • https://uploads.strikinglycdn.com/files/f7df48f9-823f-4a09-90a3-5ef92108857b/vizio_m50-c1_replacement_parts.pdf
    • https://uploads.strikinglycdn.com/files/97211fe1-f73e-40c7-89ef-17b1dbaf6d50/how_to_use_baby_potty_seat.pdf
    • http://lupugavediroz.rf.gd/wiko_fever_aggiornamento_android_7.pdf
    • https://uploads.strikinglycdn.com/files/c77585d0-d9b6-474b-9562-ca4c98a61c5d/54744765271.pdf
    • https://uploads.strikinglycdn.com/files/fd5c1688-d26f-4f98-8e52-df3e2a690426/blacked_out_through_whitewash_volume_2.pdf
    • https://uploads.strikinglycdn.com/files/f571fe30-e3af-4ceb-8a5a-19f995770733/libros_biblicos_apocrifos.pdf
    • https://s3.amazonaws.com/vuterijoze/33117692015.pdf
    • https://uploads.strikinglycdn.com/files/0ed88be5-5df5-4d44-bf4d-b4436d93c3ae/how_to_set_pir_security_light.pdf
    • https://uploads.strikinglycdn.com/files/852098cc-3e64-409e-b75a-94405e6726f4/nec_dterm_80_phone_feature_button_flashing.pdf
    • http://futakanawus.onlinewebshop.net/wizards_and_warriors_nes_game_genie_codes.pdf
    • https://uploads.strikinglycdn.com/files/d739d88a-9ea8-4f36-93f4-0fa759e22830/what_is_scientific_inductive_reasoning.pdf
    • https://uploads.strikinglycdn.com/files/6f102057-61ca-48b9-9ee1-ae8fbef7d798/pofejelesilutomowute.pdf
    • http://jilutuve.rf.gd/difob.pdf
    • https://uploads.strikinglycdn.com/files/307cd9d3-f568-4ca4-80dd-27a14131d8d9/blood_bowl_top_teams.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_off0000f445.bin
d58eb2fa1b39d089dd85a67fd1b7c8b193933e83b3b37922835dadcfe23d6058		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF445 5332 bytes
font_01_sfnt_off00010668.bin
3e6c57b8797ef019199f1357355f730d887a7767d67c79222ae77817ce43f793		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10668 10688 bytes

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