Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd808948fea7627…

MALICIOUS

PDF

52.3 KB Created: 2020-10-07 09:57:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-26
MD5: fe978b5f08858b64a7d86af1ee601d0d SHA-1: e9b89f616a0c6459772cc5d6c74504dee40ecf85 SHA-256: 3dd808948fea7627eb80ef16eebe13bf941cc341f69cb4105d0c9d46b6c69ff0
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://ggtraff.ru/strik?keyword=adobe+premiere+pro+cc+2019+indir In PDF document text
    • http://fopojot.portabletarget.com/uploads/1/3/0/7/130775680/9372767.pdfIn PDF document text
    • http://files.alwaysjumping.com/uploads/1/3/0/8/130874393/8331249.pdfIn PDF document text
    • http://napinelu.hanonaka.com/uploads/1/3/1/4/131407014/tawujen.pdfIn PDF document text
    • http://files.willtaylorsite.com/uploads/1/3/0/9/130969811/4496628.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0799/1208/files/reliwiridusirab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0486/4039/3384/files/308_muzzle_brake_comparison.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7447/7464/files/active_insufficiency_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/9453/5072/files/munabomijadu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/2219/1262/files/mitubipovosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4552/7445/files/91167296815.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7532/9441/files/wugaxitidexe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/68182195-4de8-4c07-b813-c6b379b94a8c/37402235543.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66cb5fa8-e5d0-42ff-bb9b-a72895e1339d/44065874374.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb7cf78b-8bab-479f-9737-6135b7a36263/50615295260.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e39e23e-1321-456e-b35a-cdbb53694072/22557423093.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007d6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D6E 5116 bytes
SHA-256: 4f0b9f31e0287fab2fc2474a46ccdfc26cc6f323206ff824809c222beafd6a5b
font_01_sfnt_off00008eae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EAE 12208 bytes
SHA-256: 2bc41f401ebbe28ba75e6e5872e6077d65abfe0d1c4c5285da1c3d5b077c41f8
font_02_sfnt_off0000b5bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5BD 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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