MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a link farm designed to redirect users to malicious infrastructure, specifically `https://ttraff.ru/pify?keyword=mbbs+physiology+book+pdf+download`. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious, and the presence of redirector links confirms a malicious intent to lead users to 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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.ru/pify?keyword=mbbs+physiology+book+pdf+download In PDF document text
- http://files.gfwcncdistrictfour.org/uploads/1/3/2/8/132814166/c11ce90858c9.pdfIn PDF document text
- http://files.lulingicehousepottery.com/uploads/1/3/1/3/131382032/mamomabajebede_doketi_muzus.pdfIn PDF document text
- http://kujituwu.d12kiwanis.org/uploads/1/3/1/6/131637016/7318fbd3153b5.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/1/0437/2273/5767/files/19789764129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3731/0626/files/8421711699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5181/7879/files/83484685745.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9978/3319/files/jozadezogubole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4131/6264/files/wisanuguf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3485/3021/files/gedifofazunasevanugudide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1625/6677/files/fanetotefipigeviva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2157/2008/files/basic_concepts_of_economics_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1608/5923/files/39857045248.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2191/7598/files/44100949280.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3549/1490/files/xagirubiga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3187/1139/files/28699406192.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_off0000630e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x630E | 5612 bytes |
SHA-256: 1fb9b69b829c6a8ea2dd57234c536883cbe23cdcf584050c86d52d4f2543ab1f |
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font_01_sfnt_off00007636.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7636 | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off00007ec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EC3 | 10308 bytes |
SHA-256: cd80e4fe8898b6211bc73a58206a5d6e2826de2944eeeec43bce0ae3487f9515 |
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