MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, disguised as a worksheet. It also hosts a large number of links to other PDFs, suggesting a link farm or SEO poisoning attempt. The presence of a 'download button' heuristic further supports a lure-based attack. No scripts were extracted, but the primary malicious activity appears to be redirecting users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/wb?keyword=combining%20sentences%20with%20coordinating%20conjunctions%20worksheets In PDF document text
- http://tikifarif.awgreekshop.com/uploads/1/3/0/7/130740044/musizavagel-tiwaduxivimeku-gilopitux-jalafov.pdfIn PDF document text
- http://files.hamiltonproperties.net/uploads/1/3/1/4/131438245/3558045.pdfIn PDF document text
- http://files.rollingoakdoodles.com/uploads/1/3/2/6/132680908/b343c27a28933eb.pdfIn PDF document text
- http://files.leonasleads.dog/uploads/1/3/1/4/131406629/8680331e4.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/1/0430/9703/0805/files/69916349597.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7354/5116/files/text_document_to_converter_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/gixusazowimazodugeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6148/4447/files/reading_certificate_templates.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2468/5975/files/antisepsia_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6790/0061/files/82777965689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7188/7767/files/definition_of_management_by_different_authors.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7369/2063/files/english_to_spanish_dictionary_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5907/6510/files/tidupasakuvigogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1253/0081/files/bash_shell_programming_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/daboledagukikafiziral.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1349/7247/files/o_que_so_assentamentos_rurais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8780/7129/files/33195150930.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000619d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619D | 5596 bytes |
SHA-256: 0f21725f615bc337eb5c1ed6b73c733263007d15c715cda2cc4701442a18e2a4 |
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font_01_sfnt_off0000748f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x748F | 10024 bytes |
SHA-256: c239039c9aace0c22d7b38d61c691f8f6cbdf42acd59ba842d41f5062d641b3f |
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