Malicious PDF — malware analysis report

Static analysis result for SHA-256 d29e3a77c7d1f1f0…

MALICIOUS

PDF

78.8 KB Created: 2021-03-09 20:20:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: 0415ab3e7a80d614dd82bc5f56a24ea5 SHA-1: b63d966f53f321fed6f45fbffd1d9983856e8d45 SHA-256: d29e3a77c7d1f1f0b7a7a7014ffb38a0d42f776d38180c2687427f3018e1d70a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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
  • 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://soxebez.ru/wix?keyword=charlie+og+chokoladefabrikken+john+kenn+mortensen+book PDF link annotation
    • http://modozadubop.mywebcommunity.org/a_first_course_in_differential_equations_the_classic_fifth_edition.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381964/normal_6022e937d5702.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387419/normal_60438e2287bd1.pdfIn PDF document text
    • http://vugekowuzujed.scienceontheweb.net/16555298036.pdfIn PDF document text
    • http://dumanejixaw.66ghz.com/newixifezomefosef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413458/normal_602d7873e1ed1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419002/normal_604353ad2c591.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403274/normal_5fc5f46af16d9.pdfIn PDF document text
    • http://wijojerunani.22web.org/surare.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462341/normal_60069ea2d96dd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4498994/normal_603fc9e8e0473.pdfIn PDF document text
    • http://jojazinex.mygamesonline.org/56314277993.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383702/normal_5fcb616cd0dae.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470402/normal_5ffca84507d88.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://teluroluxeterez.myartsonline.com/suxudogezijuvamokefebem.pdfIn PDF document text
    • https://s3.amazonaws.com/zakunafu/english_language_proficiency_books.pdfIn PDF document text
    • https://s3.amazonaws.com/gizonukorad/bogagufivini.pdfIn PDF document text
    • http://tigaxulajaju.epizy.com/45487192630.pdfIn PDF document text
    • http://duvodix.myartsonline.com/ruzivewuw.pdfIn PDF document text
    • http://zulifozomitolos.rf.gd/james_patterson_book_list_by_release_date.pdfIn PDF document text
    • http://sonisan.epizy.com/arx_fatalis_character_creation_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e6656238-efe6-4205-914e-911572b82561/42150359746.pdfIn PDF document text
    • https://s3.amazonaws.com/xozeb/60638921271.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f12b942a-b31c-4520-8e0b-bffbcee7641c/how_to_write_an_essay_about_personal_goals.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_off0000f316.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF316 5620 bytes
SHA-256: 30cb2a787a7d24193dccaf85ff1835cca7766637d5aea11dc8227994a56683b2
font_01_sfnt_off0001060e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1060E 11640 bytes
SHA-256: bd289caadb85832fdda799819c17b24bc8f76f1bdff62280f4d4931ff8d68774

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