MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a search result for educational content. It also functions as a link farm, pointing to numerous other PDFs hosted on Shopify and static.usrfiles.com. The primary malicious URL is https://ttraff.club/wix?keyword=reading+plus+answers+level+hie+flooded+cities, which is likely used to lure victims into a phishing or malware distribution scheme. No scripts were extracted, but the PDF structure and embedded links strongly indicate a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.club/wix?keyword=reading+plus+answers+level+hie+flooded+cities In PDF document text
- http://vikegixim.mrsbradysclass.com/uploads/1/3/1/8/131871590/6291441.pdfIn PDF document text
- http://dadasezim.nowwwriters.ca/uploads/1/3/1/1/131164278/8531942.pdfIn PDF document text
- http://nasavejen.francinesflowers.co.uk/uploads/1/3/0/7/130740019/a74754.pdfIn PDF document text
- http://mawaloxuk.nicholasruscettaart.com/uploads/1/3/0/7/130775997/gikafibakag_motubimuf_pijagovulerod_sunipumapa.pdfIn PDF document text
- http://files.photographybyemmaclaire.com/uploads/1/3/0/8/130814283/nifigitiginamujare.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/1/0437/0969/4107/files/18312439692.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3273/9989/files/suferi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/9966400528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4171/8426/files/judge_dane_adjournment_request_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2440/8991/files/50657240829.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b16523_90c6ecf1dbbb498bbdd094f29ca35f16.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2c608b_76d7fd8f2483404895ccd2dda05dd78c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_ed65bc8767a9478181d30ce0d073edcc.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a771bd_4dfde20aa28c4874a9b667e0906e3666.pdfIn PDF document text
- https://static.usrfiles.com/ugd/73f3b0_6fbe368a383f4378931dee22b4c94233.pdfIn PDF document text
- https://static.usrfiles.com/ugd/74c34a_31d119b055ef44d3ba2c81742a3885fe.pdfIn PDF document text
- https://static.usrfiles.com/ugd/529dbf_16cc02789eb54d4786d3e3342ed44e53.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b97cba_5b516e7bf2e5420185557363adc31c22.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ed64d2_5bfc41d61407425fbd6c00c6a4282d1c.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_off000076d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D3 | 5576 bytes |
SHA-256: 574a58afcba1d8b9772e9fdeffd55cc2bc274116866668861f09ecda510bedda |
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font_01_sfnt_off000089e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89E5 | 10256 bytes |
SHA-256: 9823631e8f9f350a7ef35f1bc766ba18cb7d8014420f054f423725207a88837d |
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