Malicious PDF — malware analysis report

Static analysis result for SHA-256 02afa93d6c1926c5…

MALICIOUS

PDF

44.4 KB Created: 2020-10-15 04:21:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 3c80ef129f61ea0b163c42d819a8eb38 SHA-1: 63caa7efecf4ff01ba476f6e87393e4aee8b8131 SHA-256: 02afa93d6c1926c51869c3e0dd4d651ab0d183fcacfc6c1d3b397049e7665b2c
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ggtraff.ru/123?keyword=organic+farming+in+karnataka+pdf In PDF document text
    • https://cdn-cms.f-static.net/uploads/4365613/normal_5f870a6cc6205.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365552/normal_5f86f5e3e7ffd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366956/normal_5f8785d2a3098.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367642/normal_5f8776b70df3d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366350/normal_5f879ac29788c.pdfIn PDF document text
    • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/wijigomofiweb_lotitosede_jukis_dirum.pdfIn PDF document text
    • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/monirafulowafix.pdfIn PDF document text
    • https://fixabugodorev.weebly.com/uploads/1/3/1/8/131856934/xetazinopoliki_dimowilimobufo_xuwomu.pdfIn PDF document text
    • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/8279037.pdfIn PDF document text
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/2a5b38eef3430.pdfIn PDF document text
    • https://wurikosaradusif.weebly.com/uploads/1/3/1/3/131384544/1511735.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/8283/2790/files/jesse_smith_actor.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c587120-799e-489f-a3a1-198ef823e148/65056514352.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cffb2ebe-4e5d-4da7-9ee4-4da36cfb2403/53998726823.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0e6f11d2-7461-4fb3-bcd1-f6996473d73a/jawujegevotagamegumevosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0268/9010/9097/files/26542021645.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0486/4078/6590/files/hamden_tax_collector.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65F4 5356 bytes
SHA-256: c9a510da89280bfb1834f2124d550fb3c3edf817ad9bc5b72305cf7d2366e0ec
font_01_sfnt_off00007810.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7810 1800 bytes
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620
font_02_sfnt_off0000809d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x809D 10436 bytes
SHA-256: c0f7a8fcd380419de0a7fa40111c1d5a3ef333789febfa8e7af15b4863e41eeb

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