Malicious PDF — malware analysis report

Static analysis result for SHA-256 732d11072a170276…

MALICIOUS

PDF

73.2 KB Created: 2021-02-17 17:15:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 9395eb6618e2ae587edac34955401e2c SHA-1: 1836a8d4a1b0c95243f9e04c767876b84baac42f SHA-256: 732d11072a170276e8f7a34622ddcd73acb87cf59f9ba62bdb13e3ae5837049e
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/wix?keyword=dwarf+female+names+generator PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4366339/normal_60086e7af0976.pdfIn PDF document text
    • https://cdn.sqhk.co/gagufatemo/jahit99/tripp_trapp_high_chair_baby_seat.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461770/normal_601993c16ffc1.pdfIn PDF document text
    • https://cdn.sqhk.co/zapiferufefu/jjfrRPi/luna_storia_exchange_code.pdfIn PDF document text
    • https://cdn.sqhk.co/dajebala/g1hfOgA/the_maze_runner_book_age_rating.pdfIn PDF document text
    • https://cdn.sqhk.co/gobefuvumi/R3S1djh/raju_omlet_bhurji_recipe.pdfIn PDF document text
    • https://cdn.sqhk.co/pujixefan/fjbNifQ/8715856351.pdfIn PDF document text
    • https://cdn.sqhk.co/bafesugoguwi/ifkBgik/entry_level_advertising_jobs_los_angeles.pdfIn PDF document text
    • https://cdn.sqhk.co/letaziseb/Djbhj5J/kezalalutoxuzerejeperejo.pdfIn PDF document text
    • https://cdn.sqhk.co/gixedomawa/aXdIy6R/water_park_slides_for_backyard.pdfIn PDF document text
    • https://cdn.sqhk.co/zisubiziwu/jghihlm/marcianito_meme_meme_sound_button.pdfIn PDF document text
    • https://cdn.sqhk.co/pulobegefuzi/cdNhcai/find_my_friends_location_by_phone_number_free.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449775/normal_6027dcff933db.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415080/normal_5ff78847c7d0c.pdfIn PDF document text
    • https://cdn.sqhk.co/dusivubeleza/ieIchc9/50746692924.pdfIn PDF document text
    • https://cdn.sqhk.co/zojixemem/jfXCkfd/zeus_dog_of_chaos.pdfIn PDF document text
    • https://cdn.sqhk.co/dedogupazib/okghbjh/11914343801.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375206/normal_600a48ec0827c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ligubulativov.epizy.com/cara_menggunakan_multimeter_analog.pdfIn PDF document text
    • http://radalimufan.rf.gd/dagulakarowi.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e12d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE12D 5180 bytes
SHA-256: d892a44183637655df7bfbf54c33fa7817545f1f05f776ae798289c4140fc093
font_01_sfnt_off0000f2d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2D2 10148 bytes
SHA-256: d4546454c5c1df6d27757faa5d7dd3a3eeca1e48ceebd0f09ce5866b59c5209b

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