Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b35e46efa75ff95…

MALICIOUS

PDF

45.1 KB Created: 2020-08-10 09:23:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0afc4b13a414a05f1c3e71fc31944e7c SHA-1: 3be5b8515d42924f7a3e0edc6d1afdb77ff5361b SHA-256: 7b35e46efa75ff95641f04f1c475d4c8bf7231735e648685e6fb2bef4363e3fb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple heuristics indicating malicious redirector links, including one pointing to 'ttraff.ru' disguised as a PDF file merger app. The document body also contains this URL, suggesting an attempt to trick users into clicking it. The presence of numerous external PDF links, many pointing to benign Shopify URLs but others to unknown domains, indicates a link farm strategy likely used to obscure the malicious destination.

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/pify?keyword=pdf+file+merger+app In PDF document text
    • http://files.carolinastormhedgehogs.com/uploads/1/3/1/6/131637291/fanipewonosewagafuv.pdfIn PDF document text
    • http://files.queerapocalypsesolutions.com/uploads/1/3/1/6/131637055/nebafikobeva_zumidegu_guvixasefotub_sotog.pdfIn PDF document text
    • http://bekasojil.heartworkbirthservices.com/uploads/1/3/0/8/130814124/3746314.pdfIn PDF document text
    • http://files.kengoesclick.com/uploads/1/3/1/4/131437513/4c988cc4.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/1/0434/3077/2902/files/allah_names_wazaif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1496/3868/files/rukud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2762/0249/files/milusabufo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5597/2501/files/astm_b117_standard.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7099/7151/files/77305510361.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3698/2943/files/four_discourses_against_the_arians.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1148/0472/files/wefozaxixemezepujemajuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5058/1662/files/kefazijasalutavidov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4950/0328/files/sepodevasomone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9429/4171/files/fosamubuvajisotuvugawogo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4819/8556/files/thieme_atlas_of_anatomy_3rd_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9596/4328/files/autocad_2020_text_box.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_off000074cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74CB 5184 bytes
SHA-256: e97d0f7513c655cc42f99718aecfb1582019f99292aa631b0851e81957e7ea94
font_01_sfnt_off00008658.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8658 9704 bytes
SHA-256: 1017c6192272a4d545b44f12feae4db3b7b22ea3f90afd347c10947353122b71

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