Malicious PDF — malware analysis report

Static analysis result for SHA-256 f14dc9fc08e971d1…

MALICIOUS

PDF

45.2 KB Created: 2020-10-30 12:42:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 59ba35d06759a258b863fe46f71b4636 SHA-1: 174364447278855d6d9995ba23ecc5d61ecc4ef1 SHA-256: f14dc9fc08e971d133460c32f8a7f2ab0a208a42fcc1cc674d90933d6a6f8baf
194 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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/pify?keyword=cerave+skin+renewing+gel+oil+amazon In PDF document text
    • https://rizadubarezesul.weebly.com/uploads/1/3/4/4/134499036/bawosofoxonagega.pdfIn PDF document text
    • https://mekuxiwefajup.weebly.com/uploads/1/3/0/7/130739023/5645594.pdfIn PDF document text
    • https://vefigemeg.weebly.com/uploads/1/3/4/3/134368147/f2d135f3a52091.pdfIn PDF document text
    • https://mubopizolofovo.weebly.com/uploads/1/3/4/4/134442803/tovogapemuw.pdfIn PDF document text
    • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/pujetufomexonem.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/f3e4a119-b4da-4b8c-8c36-1dd62e713279/alla_en_el_rancho_grande_letra.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/4973/8136/files/saronozoteriguxad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/4415/4775/files/piaggio_typhoon_125_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4187306b-dfb2-490f-98fc-fbe1a20d741c/77628866084.pdfIn PDF document text
    • https://s3.amazonaws.com/ratixifo/15361630855.pdfIn PDF document text
    • https://s3.amazonaws.com/nitirew/photozoom_pro_7.1_unlock_code.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0507/9026/9122/files/play_candyland_board_game_online.pdfIn PDF document text
    • https://s3.amazonaws.com/donarepemi/perozolaxedekez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/5348/0601/files/44045364810.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007292.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7292 5176 bytes
SHA-256: 8e3677566c22df8101cadf409e9e8de9d9abd222e6774ea362903e4331a4e298
font_01_sfnt_off00008438.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8438 10584 bytes
SHA-256: 6d012838e14bc1d34f7cb3c3c9e779c76e32da5b63144f05ca5a977e6aa5cb46

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