Malicious PDF — malware analysis report

Static analysis result for SHA-256 88db80f0b7633e2b…

MALICIOUS

PDF

73.1 KB Created: 2021-03-05 06:03:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: fc84cc125fc007740dda212b50a9ab1f SHA-1: c8dcfa755a49ee95b865ec8b5efaac6e00574d6b SHA-256: 88db80f0b7633e2b96d80a169d2b39573d9e5d4e7eeaae1ffb1226ae94067c69
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://fokemale.ru/wix?keyword=waxahachie+creek+rv+park PDF link annotation
    • http://gekifek.scienceontheweb.net/scott_pilgrim_game_character_differences.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388612/normal_5fdd855b1162e.pdfIn PDF document text
    • https://cdn.sqhk.co/naketego/4sPKhfP/xemibebejuraxixuxarip.pdfIn PDF document text
    • http://vumajufeboxidik.mywebcommunity.org/96007957809.pdfIn PDF document text
    • http://tomolijoponix.mypressonline.com/92497761159.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456114/normal_601370837fbd6.pdfIn PDF document text
    • http://fapasevusiledap.mygamesonline.org/45430004683.pdfIn PDF document text
    • http://kinemulawaw.sportsontheweb.net/sword_art_online_alicization_lycoris_update_1.11.pdfIn PDF document text
    • https://cdn.sqhk.co/kezixowog/TRPoGU1/top_speed_formula_car_racing_tracks_georgia.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468554/normal_5fe4f6135c1b5.pdfIn PDF document text
    • http://lozipazom.sportsontheweb.net/social_contract_theory_examples_in_the_philippines.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369638/normal_5fe6ce5fb8453.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zudupaxub.myartsonline.com/32580457141.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fc444a24-ec91-4c38-b9e8-d4bcb52ca226/ver_el_hobbit_2_pelicula_completa_en_espaol.pdfIn PDF document text
    • https://s3.amazonaws.com/mivokozibu/kumudilopejowageruganet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/99943b77-ca4d-4a28-9ebf-a4b7e65dc54b/fejuxul.pdfIn PDF document text
    • https://s3.amazonaws.com/kalanejaxutilif/nosatax.pdfIn PDF document text
    • http://sabiwilurase.atwebpages.com/tara_brach_books_in_order.pdfIn PDF document text
    • https://s3.amazonaws.com/minegikukovel/xajoxu.pdfIn PDF document text
    • https://s3.amazonaws.com/zuwimadaneb/bizekebonatur.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_off0000e1eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1EB 5016 bytes
SHA-256: a9e5b6d86c3e4a37131ff11347ef69084791978d958fefd0691b65834b233f74
font_01_sfnt_off0000f30a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF30A 10836 bytes
SHA-256: 55a01fddbd7b32c1cc40ccac2f847bdd2a6207fca149e022ce8c1fd32ba66c44

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