MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=antisynthetase+syndrome+case+report'. This suggests the document is designed to redirect users to potentially harmful sites. The ML classifier also strongly indicated maliciousness, supporting the conclusion that this PDF is part of a phishing or malware distribution scheme.
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.cc/pify?keyword=antisynthetase+syndrome+case+report In PDF document text
- http://kofabomim.hwy27yardsale.com/uploads/1/3/0/8/130873851/wobonoji_lutidisu_nijutoramovisik.pdfIn PDF document text
- http://files.scsreadingschool.org/uploads/1/3/1/0/131069839/mikejinin_zoteze_lotedisaxizus_fareraworu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0436/6453/9798/files/571323326.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1656/6422/files/72659983117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1184/9890/files/92448689813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4012/6629/files/hex_code_to_rgb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3249/4751/files/90583661338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2971/6374/files/36950396836.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6700/5333/files/bezigolawawawagilujona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9249/9868/files/microsoft_excel_expense_reimbursement_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7252/0353/files/siribukilopexume.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7664/9121/files/mejovogorofaxiwidigunes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8095/7593/files/rarawotimorudokodoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7252/0353/files/76719493037.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3606/5438/files/11631767267.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E02 | 5160 bytes |
SHA-256: 973274d57e4edb504f039e91bdcceedcb02459f42922992898091c91149c2781 |
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font_01_sfnt_off00007f59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F59 | 12496 bytes |
SHA-256: 303d092b32c093adf092904474710a942c73c80009356248bda600b8601a0636 |
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font_02_sfnt_off0000a767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA767 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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