Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e92207fac1e1f5…

MALICIOUS

PDF

42.2 KB Created: 2020-10-04 00:31:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 1566bac07ee2ef1c1ea96bfce9b4e9f4 SHA-1: 033992052231cc7d223514757b50516f29888f69 SHA-256: d3e92207fac1e1f5bf22ff41bd4692472561323bd06c3196752a66d014158709
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://gettraff.ru/strik?keyword=olympus+omd+em5+mark+ii+manual+pdf In PDF document text
    • https://site-1039899.mozfiles.com/files/1039899/vemubenab.pdfIn PDF document text
    • https://site-1043696.mozfiles.com/files/1043696/80539515918.pdfIn PDF document text
    • https://site-1038803.mozfiles.com/files/1038803/88196690953.pdfIn PDF document text
    • https://site-1037884.mozfiles.com/files/1037884/zipikigigavawi.pdfIn PDF document text
    • https://site-1037129.mozfiles.com/files/1037129/gikuzitonomovoxiru.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/1/0457/3783/6710/files/what_relation_is_my_first_cousins_daughter_to_me.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/8472/9502/files/special_parallelograms_worksheet_kuta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0486/1365/4696/files/62398431540.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8500/2920/files/30588641469.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/6787/3701/files/78590210957.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0476/5866/4102/files/40448014244.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0360/0286/files/still_life_in_the_studio.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9748/9572/files/vurexatupodudoduvos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/142495f6-c49f-4602-bf55-103d20dfd48e/58391400705.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e51c6ca-5461-4e62-8094-b09498cc426e/23784011567.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0488aee6-9369-4582-af68-29ec9d1a6373/deruboxumewanu.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_off000065cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65CC 5504 bytes
SHA-256: 5e5f08f427aefee27d747c7746cf1dbefdd04f7c68de5f548a74b054834308d9
font_01_sfnt_off00007878.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7878 10500 bytes
SHA-256: 6a3c51fce25af66114959e3f9de37f349a26a1f2d377d858cc8a49d2546faf52

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