Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e18a599a6669a57…

MALICIOUS

PDF

39.2 KB Created: 2020-08-23 06:27:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d9f2590538e5363a0a010a8fdd0115e4 SHA-1: 1567cafa95ea57b6539f0b9099821ccdf38943af SHA-256: 6e18a599a6669a579458cce5e74c30f0f07688d786216c71a2eb16bcaf5b4d50
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service that ultimately leads to a malicious URL. The document body, though heavily obfuscated, contains text suggesting a lure related to 'affidavit form free template' and includes the malicious URL. This indicates a phishing attempt designed to redirect users to malicious infrastructure.

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=affidavit+form+free+template In PDF document text
    • http://files.dagriffincircuit.org/uploads/1/3/1/4/131438056/wezatusekasu_wepotaw_rorutelafew.pdfIn PDF document text
    • http://turadoj.tianashoresassociation.com/uploads/1/3/2/8/132816117/botezoteto.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/1/0430/8641/3985/files/22383508728.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0513/2445/files/gekowekifevomexe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2081/2441/files/welch_s_t_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9561/1809/files/didinigata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4536/3616/files/mahalaxmi_calendar_october_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0745/1029/files/attendance_monitoring_system_using_rfid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7096/3350/files/66737058049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0950/7487/files/95039692979.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/suramagufumaxuragozud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7836/6872/files/83308912.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0937/5383/files/12552298972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0629/5201/files/46033375381.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 3

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_off00005d67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D67 5060 bytes
SHA-256: e5a55882ae749c0c93f516c44d13d63db787cb46fe6a26facf02d45ad23c847a
font_01_sfnt_off00006e89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E89 9820 bytes
SHA-256: 11f503d193a9f61726c070b4d060b296734bbeb36453441240ef385a971bfa04

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