Malicious PDF — malware analysis report

Static analysis result for SHA-256 0759ca76c62702f8…

MALICIOUS

PDF

89.0 KB Created: 2021-03-06 20:41:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: c058728281ce57cb5721ebb8602b53d6 SHA-1: f01a1b7c9320c9e9d842c1fab39431ce9bee7e82 SHA-256: 0759ca76c62702f8e31a1dd23240a3f3b54299dbd8195d09f1de8cd14094b8c0
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://midufefew.ru/award?keyword=how+can+you+pay+for+a+rental+car PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4403260/normal_6011f177ee93a.pdfIn PDF document text
    • http://lenusabipowezo.getenjoyment.net/how_to_play_family_feud_in_a_large_group.pdfIn PDF document text
    • http://xiwakaravivomik.scienceontheweb.net/98609104278.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404313/normal_60277e0195621.pdfIn PDF document text
    • http://vipadobotisituz.mygamesonline.org/89338131494.pdfIn PDF document text
    • http://bosemefawixuwov.mypressonline.com/56150302038.pdfIn PDF document text
    • http://sosiwuro.iblogger.org/write_an_equation_in_slope_intercept_form_from_a_graph_calculator.pdfIn PDF document text
    • http://kemobot.22web.org/ropojasuxed.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446917/normal_60084d4708d10.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/xipavir/eve_online_starter_guide_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/wanasuvedigo/basic_instinct_1992_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c523eeec-2001-4323-a001-5d2cb650d347/xizikuforibumuwulaj.pdfIn PDF document text
    • http://tefesapebeto.rf.gd/30501537358.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9a489600-d996-4c80-ac68-3c706374525a/how_to_replace_water_bottle_on_cooler.pdfIn PDF document text
    • https://s3.amazonaws.com/simujix/wopukonogil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/922c6b51-3a84-4be8-842c-8a1cff600a29/the_missing_season_1_episode_3_review.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a77dd270-07be-40ec-88b7-2d061d89d7f0/66100872129.pdfIn PDF document text
    • http://davofunup.onlinewebshop.net/kuwed.pdfIn PDF document text
    • https://s3.amazonaws.com/muwemivumazulax/ryobi_p118_battery_charger_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/tobito/74901716080.pdfIn PDF document text
    • http://xogowiv.epizy.com/lifeless_crossword_answer.pdfIn PDF document text
    • https://s3.amazonaws.com/kiwopusafize/fuxilaporoxedomitaluxogu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000111fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111FA 4820 bytes
SHA-256: 873759100bf5913fa540a008d8bfbfbc2bcb2041078e977d000ed64fbefc4ce5
font_01_sfnt_off0001227c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1227C 11136 bytes
SHA-256: 90f6dee79e40552b1a11b45385d71fa5f9005933ac91aecc14ce0b3df611fc55
font_02_sfnt_off00014823.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14823 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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