Malicious PDF — malware analysis report

Static analysis result for SHA-256 793405a2193eebd0…

MALICIOUS

PDF

41.9 KB Created: 2020-10-24 06:08:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 563d5a7ac75a2736905d14171e47f684 SHA-1: b21fa3c12192b60a84e4f9a97bcc7f2c61c6abc5 SHA-256: 793405a2193eebd05eb35a4f64c495979b6026336c6de15ade86ba424d60e385
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://cctraff.ru/123?keyword=disarmed+wow+quest+guide In PDF document text
    • https://juxupadozimufa.weebly.com/uploads/1/3/4/3/134388451/8827466.pdfIn PDF document text
    • https://nurekagenarufab.weebly.com/uploads/1/3/1/6/131636906/9742680.pdfIn PDF document text
    • https://satobolusiv.weebly.com/uploads/1/3/1/3/131398412/loxatadawisuvid.pdfIn PDF document text
    • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/4245519.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/pazifetanegapu/77668309323.pdfIn PDF document text
    • https://s3.amazonaws.com/bulikowexunepov/11280282835.pdfIn PDF document text
    • https://s3.amazonaws.com/xisefowu/bncc_ensino_medio_em.pdfIn PDF document text
    • https://s3.amazonaws.com/xanebavifamopez/68608717325.pdfIn PDF document text
    • https://s3.amazonaws.com/tesasubawalozan/adobe_photoshop_cc_tutorials.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3042/9352/files/rca_opal_mp3_player_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/7208/5926/files/driving_simulator_2020_mod_apk_unlimited_money.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/7221/2132/files/14673734247.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3564/0487/files/18278554827.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4818/1666/files/31069579901.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9744/7831/files/gesadepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9204/2137/files/vinusexuve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/5088/4008/files/rivajodarikexivokeve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5486/6333/files/68466221034.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0504/7920/2469/files/sutuwo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18631031-4102-46dd-9ecb-eb9117f52032/5483397901.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4597bcc7-41c1-4005-a6aa-fcd65ad8cfd8/44793800858.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5dbdc2fa-ed1b-4ec9-9ac5-806cf39f6071/38597038897.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_off0000622b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x622B 5332 bytes
SHA-256: 4f4ae4c34d3a16795b41e154fcd58056ec98c8431234aed35209a6d1a0faed44
font_01_sfnt_off00007442.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7442 10796 bytes
SHA-256: 23f670e9d3b3ab0a92e9e66fbbaa5aa8056f5513bd99ac22a14d448f641a460c

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