Malicious PDF — malware analysis report

Static analysis result for SHA-256 807d1b48e64a0955…

MALICIOUS

PDF

47.4 KB Created: 2020-10-26 23:24:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-26
MD5: f27b319616291145dc77fb40d21ae1fc SHA-1: 080b2aeb25fbc01bdd9c5ccdc4509a78f033f280 SHA-256: 807d1b48e64a0955d6cb17ef1213c50749caf176694f5ad6eec33ce8ae448dd1
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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 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.
  • 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://ttraff.link/123?keyword=the+young+housewife+william+carlos+williams In PDF document text
    • https://sifizebutu.weebly.com/uploads/1/3/0/8/130814914/valinejeturiwo.pdfIn PDF document text
    • https://vefoxetewezelir.weebly.com/uploads/1/3/1/4/131483279/bobomovi_tepepajaparo.pdfIn PDF document text
    • https://kavafarosodox.weebly.com/uploads/1/3/4/0/134097584/3743035.pdfIn PDF document text
    • https://pobafegesodagiz.weebly.com/uploads/1/3/4/3/134305133/vaforow.pdfIn PDF document text
    • https://paxesejok.weebly.com/uploads/1/3/4/3/134348383/namazaxa.pdfIn PDF document text
    • https://dokodajibebabek.weebly.com/uploads/1/3/2/3/132302773/5124095.pdfIn PDF document text
    • https://kefanizitadibuz.weebly.com/uploads/1/3/4/3/134328212/9766339.pdfIn PDF document text
    • https://zilavexeredora.weebly.com/uploads/1/3/0/8/130874610/3057090.pdfIn PDF document text
    • https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/fefiralepul.pdfIn PDF document text
    • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/farepo.pdfIn PDF document text
    • https://fiwisiroveton.weebly.com/uploads/1/3/4/3/134339953/tepitas.pdfIn PDF document text
    • https://vegilirebaj.weebly.com/uploads/1/3/1/0/131070576/xelijipefozo.pdfIn PDF document text
    • https://gutugifowofe.weebly.com/uploads/1/3/1/6/131606479/6026316.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007af6.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007af6.bin)
    • https://cdn.shopify.com/s/files/1/0481/4779/2021/files/65010038399.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/3074/8824/files/zadewoxepifumix.pdfIn PDF document text
    • https://s3.amazonaws.com/gidibesuxi/evidence_based_nursing.pdfIn PDF document text
    • https://s3.amazonaws.com/bulikowexunepov/jiximoveregoxurifuzapax.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6c30a1e3-9027-4ed1-bc57-952d7c85892f/xonumiguxofe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dd38ed2f-8ae6-4f97-a62d-956f14ce73e3/12042229760.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 extracted file (font_00_sfnt_off00007af6.bin)

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007af6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AF6 5436 bytes
SHA-256: e98b0433cdc2646a1d5e9094cdc4c1159a6d725b333437721ba4c5e26d52e4ec
font_01_sfnt_off00008d65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D65 10068 bytes
SHA-256: b6b95f0eb70c5f2c06fccdc4d9a27d075c62fb9ad7202c224fa546eac78104df

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