Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ceaada24aa5acf0…

MALICIOUS

PDF

70.4 KB Created: 2021-03-07 15:27:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 11c063ebdc870f0e0c580293ad969bc8 SHA-1: 10464182c591f6c8a3cfef2cedd5da7d448c2f94 SHA-256: 9ceaada24aa5acf0ab77bd7f8867436c460577084eb83f0f00b378fdd80c1e41
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9959

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://fokemale.ru/wix?keyword=l+death+note+gif PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4503692/normal_6037f6b871321.pdfIn PDF document text
    • https://pivatebovuwize.weebly.com/uploads/1/3/0/7/130775292/7076993.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393754/normal_6019c56211635.pdfIn PDF document text
    • https://buvelixajotoneb.weebly.com/uploads/1/3/5/9/135982000/risaguto.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403428/normal_6025e89168b38.pdfIn PDF document text
    • https://fifekususelamib.weebly.com/uploads/1/3/5/3/135349053/mudoz_rafaf_xarev_vadebepugolasas.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495975/normal_601094f9b3c55.pdfIn PDF document text
    • http://tojagetuwiger.iblogger.org/tamil_cut_songs_love_failure.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415974/normal_5fe7adf2eac57.pdfIn PDF document text
    • https://rexakutomas.weebly.com/uploads/1/3/0/7/130739652/bikegatu-dibiteso-kitedevajaj.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rivuwasiwitovud.rf.gd/real_estate_agent_certificate_qld.pdfIn PDF document text
    • https://s3.amazonaws.com/fumiposamisur/62269999558.pdfIn PDF document text
    • https://77047a80-9f17-4504-a563-a097c25ca12e.filesusr.com/ugd/5c8b2f_eb75cc6cb37a49108fedbafb0e16f2b6.pdf?index=trueIn PDF document text
    • https://af431a04-9ebc-4ea4-a98d-45e4ffbfad14.filesusr.com/ugd/485053_fab6a78b80324143987aa94ecc72a58d.pdf?index=trueIn PDF document text
    • https://6a9ecc2b-05c3-4056-8705-773ae6be8cdd.filesusr.com/ugd/7a359d_8e016415d98b415d861afe72476d80a2.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/matogapibelifiv/diy_platform_bed_plans_free.pdfIn PDF document text
    • https://s3.amazonaws.com/zodererezuzuxi/ambient_air_pollution_report.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/132d2b1d-f92a-4c7d-b608-9b5ed2519320/muludujukunituxizu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d36b794c-92f2-4671-9678-54098001467e/sifujem.pdfIn PDF document text
    • https://7ec9ed57-df89-401a-953b-45744c150cee.filesusr.com/ugd/6e3131_d0ac3a2f47dc41b4820c85654130207d.pdf?index=trueIn PDF document text
    • http://novosumagib.epizy.com/62653780887.pdfIn PDF document text
    • http://fujegite.rf.gd/fetuzalixis.pdfIn PDF document text
    • https://s3.amazonaws.com/nunakixuma/vagasozufudurerex.pdfIn PDF document text
    • https://18d8f76e-0bdd-4b96-b744-fee987eed1b0.filesusr.com/ugd/1486c8_1c82ee93eff947faa5ed7280ce1f8ce6.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/46615825-c77b-4fd0-83fd-53ae346e0b2a/garmin_920xt_manual.pdfIn PDF document text
    • http://patepupitisozaw.epizy.com/samsung_tv_50_inch_price_in_india_amazon.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_off0000da82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA82 4804 bytes
SHA-256: d7c99dd9a4984993f2f65c791fe2484a4c958bdc8b993bca31e02d5deec118e1
font_01_sfnt_off0000eae8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAE8 9648 bytes
SHA-256: 4a7a619f99d1aef9c5d974d7e770d09d17565fe99728052dfcb66c5711e746f2