Malicious PDF — malware analysis report

Static analysis result for SHA-256 35969e989924a3b0…

MALICIOUS

PDF

44.8 KB Created: 2020-08-13 23:42:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2e39216dd242b97b41e35958374597a8 SHA-1: 746a45ae405bcfc7b9b55a092de452353d0f49cc SHA-256: 35969e989924a3b0d9a6b86b1f1b3874fbf4dd424630a38da19201eaac2b2260
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm and a direct link to a known malicious redirector, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains the URL that leads to the malicious redirector. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm designed to manipulate search engine results or distribute malicious content.

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.ru/wb?keyword=exercices%20sur%20le%20futur%20simple%20pdf In PDF document text
    • http://files.ocdandanxietycounseling.com/uploads/1/3/2/3/132302921/5605663.pdfIn PDF document text
    • http://files.statisticalsolutionsllc.com/uploads/1/3/1/8/131871874/b6274393.pdfIn PDF document text
    • http://files.moondewessences.com/uploads/1/3/2/7/132712093/kamuburo.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/1/0433/2139/3320/files/26650740842.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6653/0728/files/refokogezowipapojitozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5591/2862/files/95809802578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6971/8182/files/8838391710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0991/2480/files/adventures_of_huckleberry_finn_original.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0070/9791/files/13744212718.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4100/3432/files/naderataladex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4028/4583/files/59528663868.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/2619/0234/files/xivofagunuvitap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1512/7708/files/gesulefi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9240/1573/files/bonimikej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4292/0869/files/rf_to_eu_minecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8746/2551/files/xaleto.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 5

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_off00006c1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C1B 5116 bytes
SHA-256: b3074f5bd5c7f0dbf935d2edee2e0bf1506752fccf4a4ad53aab8e8a6cb9247b
font_01_sfnt_off00007d72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D72 12172 bytes
SHA-256: 7f27cd7007ce9d9a099e5e6da397019b3961d891e101dd1d23096b42469c90cc

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