Malicious PDF — malware analysis report

Static analysis result for SHA-256 65a8c7f1a12c7ab5…

MALICIOUS

PDF

51.0 KB Created: 2020-08-18 16:19:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e4b994e4e7d5e2335f0b53cf307b2f61 SHA-1: d36087c5f655d7e9ca0977b217f98ed63595c407 SHA-256: 65a8c7f1a12c7ab5d6f261ec69f364f9126ca54b2a3c3622ea6fee95b3e8d878
194 Risk Score

Malware Insights

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

This PDF document contains a link farm designed to redirect users to malicious infrastructure, specifically identified as a redirector at https://ttraff.ru/pify?keyword=arya+2+movie+song+malayalam. The document body, though heavily obfuscated, contains this URL, suggesting a phishing or scam attempt. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm SEO tactic to obscure the malicious redirector.

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=arya+2+movie+song+malayalam In PDF document text
    • http://files.zaidiecooper.com/uploads/1/3/2/7/132740511/7639881.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/1/0437/7536/1178/files/xajujoxopeviwuwabarilase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mijafovaginidobu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8924/8924/files/audi_0-_60_times.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2049/9616/files/18184745330.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/bupawusikixesuxuzo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6119/0554/files/any_to_dwg_converter_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7816/3363/files/bluestone_alley_piano_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4489/6917/files/on_duplicate_key_update.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9490/7810/files/openscad_cheat_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/7247/5556/files/xumomuvubikawobufivajuzew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3655/7987/files/fivugasiwig.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000074e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74E4 5288 bytes
SHA-256: b521a697381ed4863f3c50dd9ed6836482a82874c555ae02eeb8b7bfbd2b74f2
font_01_sfnt_off000086d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86D8 10196 bytes
SHA-256: bd40c002dbae2f539b035f31b49f1a3b3efe7e3f206b60d9e06cdff015d09f35
font_02_sfnt_off0000aa03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA03 16164 bytes
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3

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