Malicious PDF — malware analysis report

Static analysis result for SHA-256 514f1df003117970…

MALICIOUS

PDF

41.3 KB Created: 2020-08-04 07:06:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d73d4e39409ecaee0f0f173a9016cdf4 SHA-1: e27497782d11d841c58c5c1fe75f37dfab1153b6 SHA-256: 514f1df00311797090da71b007800aad69ebefeb5b592850652cf984e7a46a60
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at https://ttraff.cc/pify?keyword=converting+kindle+content+to+pdf. The document body, though heavily obfuscated, also contains this URL and other links to Shopify-hosted PDFs, suggesting a link farm or redirection scheme. The ML classifier strongly supports the malicious verdict.

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.cc/pify?keyword=converting+kindle+content+to+pdf In PDF document text
    • http://files.stromsmoeherefordandangus.com/uploads/1/3/1/4/131437886/videw_gobuvo_zotex_detorufoduw.pdfIn PDF document text
    • http://files.mrsothomascookies.com/uploads/1/3/1/4/131452988/dozogodozobunokawun.pdfIn PDF document text
    • http://files.pldogwalking.nyc/uploads/1/3/0/8/130814208/gilovikogimoro.pdfIn PDF document text
    • http://files.ksasteel.com/uploads/1/3/0/7/130739525/wuruvinu.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/1/0430/6462/3265/files/1080451186.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6341/9814/files/53302325959.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8054/8505/files/novafezumenolavapufijap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6901/3144/files/lodakesulupamibeziti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6644/2406/files/89007225716.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7259/3832/files/28190679642.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2272/0922/files/40924566433.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8670/8893/files/sizazukonoluzumazoxol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9917/6612/files/fojokakosodakuwazonewero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0896/6307/files/davubozidikatefofufep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3070/8385/files/engineering_graphics_essentials.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 5

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_off00006578.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6578 4964 bytes
SHA-256: 65e552c5eeb201043d4c684403f01871cb84b96a6c9ab4dfd8a4f34f4a7ba32b
font_01_sfnt_off0000767d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x767D 10012 bytes
SHA-256: 78205cd84e5eb8c4682bcc588c2b4bbfb3d8ffce2b17fadd046b3d290f3a549a

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