Malicious PDF — malware analysis report

Static analysis result for SHA-256 1306bacfe6c1f415…

MALICIOUS

PDF

57.0 KB Created: 2020-07-30 00:31:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 223b5b7e9a0e0d9b21fa937bdd68a42d SHA-1: ced96aeaaee48f09b1551baa6738fd1d898849cf SHA-256: 1306bacfe6c1f415b9ed5298bd7c68d10ced2138de5f7690323fa544529dcbfd
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating it is a malicious redirector and part of an SEO link farm, specifically designed to lure users with a fake 'PDF amendment' lure. The primary malicious URL identified is `https://ttraff.ru/pify?keyword=pdf+amandemen+1945`, which is flagged as a known malicious redirector. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to deliver a malicious payload or redirect to a phishing site.

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+amandemen+1945 In PDF document text
    • http://files.jeebdesignfishers.com/uploads/1/3/1/0/131070317/9aad042.pdfIn PDF document text
    • http://files.bloomingdalecorporatecenter.com/uploads/1/3/1/0/131070572/tavenarugas.pdfIn PDF document text
    • http://files.jandltravel.com/uploads/1/3/2/7/132740204/mufajijoro.pdfIn PDF document text
    • http://files.ebonydeecheyne.com/uploads/1/3/0/7/130775583/boxexoxalulenez-zifowozujo-jatimajijoko-xebobenin.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/1/0431/3264/9636/files/32186379067.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4484/8295/files/gefavizadarovomeve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1903/5033/files/38877586365.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/50036278562.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7541/2902/files/suzalibuxojarotilajew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1322/6139/files/vedoteketu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2449/8343/files/82208713628.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9032/2342/files/11961160391.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4633/7693/files/salakumapufinusarekigetog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0633/6930/files/3527112212.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2127/9138/files/nefaxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0608/2717/files/16709531504.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1044/8795/files/zosewufesufodunelul.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_off0000a407.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA407 4716 bytes
SHA-256: af59bf19ede256fdcce457325c37e52813d0033f34efa6859e9f57dfbf9b993d
font_01_sfnt_off0000b3fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB3FC 10312 bytes
SHA-256: 2a358fdb7d02e5339b452d50bc3ae40ee1fd5db2e2f26d0c4549fe6f1bc9de5e

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