Malicious PDF — malware analysis report

Static analysis result for SHA-256 ead2c22124666d3d…

MALICIOUS

PDF

72.3 KB Created: 2021-02-24 15:24:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 11682e211dcd31dd70f6838fb879f907 SHA-1: a082ccbac6add245f29358f8532eceab244e2baf SHA-256: ead2c22124666d3d7552e55ab17419b31edce85084dac288bc29e2b9bda6c7b7
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/award?keyword=wordly+wise+3000+book+4+lesson+7+quizlet PDF link annotation
    • https://mokomowu.weebly.com/uploads/1/3/5/9/135969792/golij.pdfIn PDF document text
    • http://cosmeteca.com/what_are_literal_inferential_and_evaluative_questionspvytj.pdfIn PDF document text
    • https://cdn.sqhk.co/badisasi/uJjhjjf/50929684819.pdfIn PDF document text
    • https://vutameko.weebly.com/uploads/1/3/4/5/134576445/eeabe931.pdfIn PDF document text
    • http://idealicaitalia-oficial.site/beat_ride_app_promo_codev7u37.pdfIn PDF document text
    • https://cdn.sqhk.co/vexorikodo/yaR8hfi/rally_racer_evo_ios.pdfIn PDF document text
    • https://pibubeje.weebly.com/uploads/1/3/4/3/134374065/kotod.pdfIn PDF document text
    • https://xiruzukigipimog.weebly.com/uploads/1/3/4/8/134865515/vuriwa-vogugodebamezo-xorabunaxebo-ragukaguju.pdfIn PDF document text
    • http://vizit.store/2001_mazda_protege_repair_manual_fre0lh6l.pdfIn PDF document text
    • https://fepexugoroba.weebly.com/uploads/1/3/4/4/134469665/kidegarufovef-zozid.pdfIn PDF document text
    • https://cdn.sqhk.co/womalakifaxa/gjPdXjc/73504625859.pdfIn PDF document text
    • https://pugiputofal.weebly.com/uploads/1/3/4/7/134740318/fezogonaviwukug-kapasil.pdfIn PDF document text
    • https://fuzitadixasixo.weebly.com/uploads/1/3/1/3/131381677/pitesuzazugefin_potuwi_xonisuduna.pdfIn PDF document text
    • https://kidamevu.weebly.com/uploads/1/3/1/4/131437276/520debc.pdfIn PDF document text
    • https://tonituligavu.weebly.com/uploads/1/3/4/8/134884188/funab_mabeniju.pdfIn PDF document text
    • https://cdn.sqhk.co/ronelejibir/gjaJzjd/sudoku_247_easy.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/kujesulad/tademedezumunimajarupu.pdfIn PDF document text
    • https://s3.amazonaws.com/kiwopusafize/9452526759.pdfIn PDF document text
    • https://s3.amazonaws.com/geradi/lasagne_verdi_sheets_tesco.pdfIn PDF document text
    • https://s3.amazonaws.com/tugabijenovili/cuentos_cortos_latinoamericanos.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_off0000da9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA9E 5672 bytes
SHA-256: 114f4a3440a007a0f36cf5bb7b209f34654af9bd27faaf880c2fc97b9d9aafc5
font_01_sfnt_off0000ee32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE32 10964 bytes
SHA-256: d7f6f9d3916857b972a40e02dfde1bbb9389fbbd97a05950cd5dc777a334022e

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