Malicious PDF — malware analysis report

Static analysis result for SHA-256 49f58a17593edb5f…

MALICIOUS

PDF

41.4 KB Created: 2020-08-02 15:19:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6b60ac1f24cc7cbc4b2b883952f5a2e4 SHA-1: e0d8e86fca7acff557dfe2c0a40389fe2bacf02d SHA-256: 49f58a17593edb5f6c3e8235407a08d686bbe6d75d4df2a19f320ca83b93dc27
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector at `https://ttraff.ru/pify?keyword=midland+walkie+talkie+manual`. This indicates the document is likely part of a phishing or malware distribution campaign, using the guise of a manual to trick users into visiting 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=midland+walkie+talkie+manual In PDF document text
    • http://files.ditrfindingthespiritinme.org/uploads/1/3/0/9/130969185/jatizikikoba-winegunabu-jusiwa-sojelodosamob.pdfIn PDF document text
    • http://files.rollingstonepens.com/uploads/1/3/1/4/131438025/mukolipejuzegifufeme.pdfIn PDF document text
    • http://files.vogelsangartwork.com/uploads/1/3/1/4/131453256/1c9c630496c9.pdfIn PDF document text
    • http://files.maryslittlegems.com/uploads/1/3/2/6/132695455/7acf691dcfa64b4.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/1/0428/9835/8432/files/39858795743.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6785/9359/files/kuxisedufadu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/zilogasosobelo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5544/7202/files/suwawamarufor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0225/7823/files/82817747079.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3612/0990/files/76344097480.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8475/0747/files/92640138125.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8267/0485/files/biviro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2004/9822/files/89373315635.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8863/files/29132271583.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2214/8003/files/wii_operation_manual.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_off00006499.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6499 4860 bytes
SHA-256: 30b56bfb9540c357424732aa23f0371e656d1a680a3ebaa66a0fedaa3d7e540c
font_01_sfnt_off0000752c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x752C 10344 bytes
SHA-256: 92102106f8a23667822c60e84bd1ebc99f201a1e96c61d45613bb9b9f3f1786d

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