Malicious PDF — malware analysis report

Static analysis result for SHA-256 747b0a8df14e27bd…

MALICIOUS

PDF

49.8 KB Created: 2020-07-27 07:27:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d6a841d50dba9f94300940734f5c8c7b SHA-1: a80ed7a6796faa6690e96856f589c92a297d39c2 SHA-256: 747b0a8df14e27bd2b54fa50943047f6a5d57c6d1bf3fcc24472ab07ec580f41
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to known malicious infrastructure, specifically a redirector designed for SEO phishing. The document body, though heavily obfuscated, suggests a lure related to job applications. The presence of numerous PDF links, many pointing to Shopify, indicates a link farm used to 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/pify?keyword=entry+level+job+cover+letter+template In PDF document text
    • http://files.nativetales.com/uploads/1/3/0/7/130775942/b90bae542e.pdfIn PDF document text
    • http://files.philipmartinsummers.com/uploads/1/3/1/4/131454373/buxalod.pdfIn PDF document text
    • http://files.desertmicro.net/uploads/1/3/0/8/130814226/bojemowe.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/1/0437/9040/1687/files/sobaliju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5082/6905/files/sasimelonozu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5082/7929/files/jibafekoboze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3729/4754/files/42241138322.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vawis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1440/5793/files/wuvezogemik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8915/8554/files/lavubivud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4184/1575/files/68950076997.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34680977850.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5520/8858/files/30513566132.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6590/1210/files/baluvepesiwa.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_off000084c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84C8 4976 bytes
SHA-256: b1aab15662d8e988fa80103058aeee587c8183b0775ba8ee0fc48bd6f394ee89
font_01_sfnt_off000095a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95A9 10644 bytes
SHA-256: b6ccb4dd3118056d44a0de39294151ef3b05a2c88f809b36e4c9c415f959d716

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