Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac85fb274d5bcacb…

MALICIOUS

PDF

76.0 KB Created: 2021-03-06 05:52:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 9458eeb4661b2903daac4eee6115e6fd SHA-1: bb298dba1572c84dbe48743cb86b8ea0cff966fb SHA-256: ac85fb274d5bcacba597c0d282c623f9c205d014e594c142b02a7a48134b95a4
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://vilenefex.ru/strik?utm_term=beer+pong+rules+island+cup PDF link annotation
    • http://raxejudesezix.scienceontheweb.net/90854180219.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446497/normal_6017884fddcf3.pdfIn PDF document text
    • http://tojuvapemupo.mywebcommunity.org/five_dysfunctions_of_a_team_book_club.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471711/normal_602742d8bd6a3.pdfIn PDF document text
    • http://fekosuse.getenjoyment.net/is_texting_ruining_your_writing_essay.pdfIn PDF document text
    • http://lamaded.mywebcommunity.org/jipoxiga.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/5f2f8d77-cb9b-42d5-944f-3610431b0d7a/how_to_charge_vixia_hf_r800.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/576be7c3-7f94-4a63-b484-33ef8211451d/eventide_h9000_plugin.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/82e55b9e-cc35-44ba-8a09-fa7304ad6ac7/pretties_scott_westerfeld_movie.pdfIn PDF document text
    • https://46d16763-6c5f-4e19-aa2c-3f4071fcbec2.filesusr.com/ugd/26f730_ec9041af1df24b1992d000c5ac5f3598.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/2535a382-c7e3-4c0b-ac83-c9b0c3eacbc9/7_habitos_de_la_gente_altamente_efectiva_stephen_covey.pdfIn PDF document text
    • https://d54d55f4-8004-4613-9f19-7b96cbed0ae7.filesusr.com/ugd/ce4b32_12bb3c117f3e46968ac8254f4179cd9a.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a59c440-ff40-4309-95eb-799d8d867982/how_to_replace_samsung_galaxy_tab_3_battery.pdfIn PDF document text
    • https://39c1d623-eccb-4af0-a86a-15328a2d61f9.filesusr.com/ugd/3cb6cb_0a2a800ea73b46aea61fd6346803bb86.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/c9a14ce5-3e2e-4341-81f3-ad42243f8eb6/napegagavusowegitovilemo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb1938d0-1138-4ad2-96ee-ad84c18200f7/7303512502.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dd05bc92-8173-4ecb-bde5-a4061fd7099b/starcraft_ii_legacy_of_the_void_cinematic_trailer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/04adeeac-f93d-4879-b8dd-34ae61d368e8/can_you_convert_a_crib_to_toddler_bed.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_off0000e508.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE508 5292 bytes
SHA-256: 5263d6c0f98475bf940b47373ffbb8368647b9473f1599565e2e4db54b00e5d7
font_01_sfnt_off0000f717.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF717 14432 bytes
SHA-256: c858cd0e41c677121f2b59d000e474f9eda3c711d3c457ea27bc052d1846a88b

Open this report in the interactive analyzer, or submit your own file for analysis.