Malicious PDF — malware analysis report

Static analysis result for SHA-256 460d783ec6a63370…

MALICIOUS

PDF

68.9 KB Created: 2021-02-19 16:42:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 3bcc7c62d4fd934f180c9d7228cd6c5f SHA-1: 11c6758494daa1e4d336aa93be496ea55279e2b9 SHA-256: 460d783ec6a63370681cdef027359bd89ffe6d2511d392ffbef3d84642f5f58d
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://baarspo.ru/wix?keyword=amana+rcs10ts+parts+manual PDF link annotation
    • https://fikazimibugexu.weebly.com/uploads/1/3/4/5/134515259/193253f4b1e2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457298/normal_6018f88cdee92.pdfIn PDF document text
    • https://rapovadok.weebly.com/uploads/1/3/4/7/134705404/2e1ea3a387.pdfIn PDF document text
    • https://cdn.sqhk.co/nakunadubux/ctEiae2/37485178355.pdfIn PDF document text
    • https://cdn.sqhk.co/kukabelek/hVgdQjd/fanatical_football_mod.pdfIn PDF document text
    • https://fazolusafiwef.weebly.com/uploads/1/3/4/5/134585025/b3f712272e008.pdfIn PDF document text
    • https://felipivi.weebly.com/uploads/1/3/1/8/131856333/xinizopijozo_dikiluv_ripiwunesob.pdfIn PDF document text
    • https://sovopubi.weebly.com/uploads/1/3/0/7/130775052/baratutudetiluxu.pdfIn PDF document text
    • https://sukaxivex.weebly.com/uploads/1/3/4/8/134895869/e00fe32e9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453754/normal_60157f054ddde.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478415/normal_60066b9004ebb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383923/normal_600f333f01811.pdfIn PDF document text
    • https://fenikazegalo.weebly.com/uploads/1/3/1/3/131379965/joxenobivivap_logog_pimuz_lanawi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417312/normal_6002c3262fe9f.pdfIn PDF document text
    • https://gekitudofu.weebly.com/uploads/1/3/4/4/134403565/firerekep-gofoxewawakupe-mudakivun-magapor.pdfIn PDF document text
    • https://tekuxarutupun.weebly.com/uploads/1/3/0/7/130775258/af27e0c814e7bd9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380214/normal_5fc5d1cd6d359.pdfIn PDF document text
    • https://difodofixipa.weebly.com/uploads/1/3/0/8/130814112/foruworatalid_wuwofoxezujusib_binuledarot_videfofowadet.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d09e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD09E 5260 bytes
SHA-256: 8be35c5b6adc415acacb9b7825cd8f9051fb78a7475def6a080fdb5a30a6818b
font_01_sfnt_off0000e265.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE265 10660 bytes
SHA-256: 273f3cfa86d67fbce3b1bccf54d4d2404921f4facc1452805717200ac5529510

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