Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6c9febb831f101d…

MALICIOUS

PDF

78.6 KB Created: 2021-04-12 19:54:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f77e811313ea74d767181eb525be7e5b SHA-1: b45e1147ea6b5766ee5c541b51dae7d8c4746996 SHA-256: e6c9febb831f101dee564c3cbe8fe23010f28ba27fdba190d16afa45579e729c
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a phishing site disguised as a guide for resetting a garage keypad. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI are indicative of a phishing lure, likely intended to lead to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://gimoguvi.ru/strik?utm_term=how+to+reset+linear+garage+keypad
    • http://fewudutizoxom.medianewsonline.com/gasoremukizar.pdf
    • https://cdn.sqhk.co/risubibasero/Vhgycjj/vevowitobifeje.pdf
    • https://cdn.sqhk.co/rasepotobami/jhhItje/best_classic_hits_radio_stations.pdf
    • http://vimobewawulipiz.mypressonline.com/bedaronedadokuzemazo.pdf
    • https://cdn.sqhk.co/pibutuvopedu/gcvjagi/gingerbread_man_cookies_recipe_without_molasses.pdf
    • http://wedurorokim.mypressonline.com/english_grammar_notes_for_ssc_cgl.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/7e4ecf98-5d84-459f-989f-5d39277b6bec/what_is_the_story_behind_stone_soup.pdf
    • http://nufagogofuj.epizy.com/kaththi_full_movie_single_part.pdf
    • https://s3.amazonaws.com/baxegezivumi/piano_sheet_music_app_android.pdf
    • https://uploads.strikinglycdn.com/files/ba62ed52-c3ee-432a-b5f3-489175e8190d/vuxan.pdf
    • https://uploads.strikinglycdn.com/files/f61e1403-1d89-4b6c-929a-22af19361a13/asus_rt-ac68u_5ghz_not_working.pdf
    • http://pejijolefisawiw.epizy.com/tikiwolifewi.pdf
    • http://xasebor.rf.gd/kepabomuxewafepujiwupid.pdf
    • https://uploads.strikinglycdn.com/files/1b3a66bd-775a-480c-be32-50dde94535cd/engineering_materials_and_metallurgy_ebook_free_download.pdf
    • https://uploads.strikinglycdn.com/files/7893baf4-8c69-4f55-aea9-cff1485df787/boye_scarf_loom_instructions_flat_panel_knitting.pdf
    • https://uploads.strikinglycdn.com/files/5214d163-37f1-48aa-81fb-6bf9d9f7560d/female_warrior_tattoo_small.pdf
    • https://uploads.strikinglycdn.com/files/380e8679-c477-4f46-bcb8-061697a8397d/pujawadoteri.pdf
    • https://s3.amazonaws.com/patilawasu/avermedia_live_gamer_hd_2_manual.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_off0000f70d.bin
1ffd9a37196f90548a9fa4d1d00c5ddebaabc8242f09e2bbd7f7509f30f76f95
pdf-font-stream PDF embedded font (sfnt) at offset 0xF70D 5348 bytes
font_01_sfnt_off00010961.bin
04a419162e17642ae0799278d122dba93b9b85ae3d0fd8a5f3a6366c25f22047
pdf-font-stream PDF embedded font (sfnt) at offset 0x10961 10644 bytes