Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8898e441e80394…

MALICIOUS

PDF

72.8 KB Created: 2021-05-20 17:19:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-07
MD5: 79ec02fd46cd75ce3486a4797f24126b SHA-1: 5d27b02515388d65d58ea4d5a49151dca3cb1089 SHA-256: aa8898e441e8039498416b2a4dbb672e866fe2eede64c6d9f60e2d2090fb3dfc
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://midufefew.ru/strik?utm_term=what+is+pili+pascual+phone+number PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4488604/normal_600519e34a9d3.pdfIn PDF document text
    • https://lewisenoj.weebly.com/uploads/1/3/0/9/130969481/12f9a52738.pdfIn PDF document text
    • https://xufefizomuziz.weebly.com/uploads/1/3/5/3/135346589/9292206.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450037/normal_5fdf9d823c82c.pdfIn PDF document text
    • https://nuropasidax.weebly.com/uploads/1/3/5/3/135393275/3443029.pdfIn PDF document text
    • https://bivofeneduwid.weebly.com/uploads/1/3/1/1/131163561/8342370.pdfIn PDF document text
    • https://zukavogezebuki.weebly.com/uploads/1/3/4/9/134901511/ripazuzirijebu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422894/normal_605be5d83a7bc.pdfIn PDF document text
    • https://duzareledibasa.weebly.com/uploads/1/3/4/8/134890493/4397132.pdfIn PDF document text
    • https://kesizimi.weebly.com/uploads/1/3/1/3/131398366/javetunozumofifo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459481/normal_60218a097923e.pdfIn PDF document text
    • https://torudedo.weebly.com/uploads/1/3/4/3/134352944/9489734.pdfIn PDF document text
    • https://ripafikumitepi.weebly.com/uploads/1/3/4/6/134622323/9766377.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/8a5954f1-8db8-41d4-adbd-ac90ab88a82c/la_la_land_oscar_awards_won.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0e3d7fb8-6c85-49b8-8c9c-a2dabd636b1f/37016786665.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0e96619f-f6c0-4a25-8f07-7103395b0692/fivorunobizoga.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7bc6a4d4-6bc7-47e0-9598-17e089fbe387/kuzaw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d8c9b89-1a95-48eb-aeb6-f78722eb8f76/bunewe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c0b6d425-7364-444b-b26d-d079d02b5af4/xuzelidodipunilufakop.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f799b8a-0c8e-4598-b0bb-ab3bcf5e1360/stackable_washer_wont_drain.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8555d031-ec39-4b49-afd7-5f703a290501/how_to_measure_pd_with_ruler.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_off0000df6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF6A 5324 bytes
SHA-256: 655cfc01199c6526de947c25e033560fb16add4eb82b3c8ce08f011bc07439cb
font_01_sfnt_off0000f164.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF164 10168 bytes
SHA-256: d50e0f3cf13536793f02fe98584e123c5562580c1841c9ea9bf2568910ee34ad

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