MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL and a string resembling a book title, 'Barron s essential words for ielts pdf', likely serving as a lure. The PDF also contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm used for SEO poisoning or to obscure the final malicious destination.
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.ru/pify?keyword=barron+s+essential+words+for+ielts+pdf In PDF document text
- http://files.cheyennebrubacherphotography.com/uploads/1/3/2/3/132303013/0c21d7751b4f5.pdfIn PDF document text
- http://files.xoskshop.com/uploads/1/3/1/3/131381539/miseve.pdfIn PDF document text
- http://files.aestern.org/uploads/1/3/1/3/131379213/7934677.pdfIn PDF document text
- http://files.thetravelingtacos.com/uploads/1/3/1/4/131407898/bolekebeniraxopa.pdfIn PDF document text
- http://files.sturner.com/uploads/1/3/2/6/132681038/juwosedegixe-zuragapeva-xarata.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/1/0437/3577/7445/files/jilejowoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8439/9270/files/fisuvonus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9363/8811/files/66202979665.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4070/9527/files/taleriruzifokemudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4170/2567/files/75563734992.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2767/6829/files/86285710122.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7287/0807/files/38068832173.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3051/9716/files/xorifejolamus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4622/4551/files/20426644485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/5681581576.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8884/6753/files/27971836789.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3900/6615/files/tuwono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5570/2425/files/rurejusanitagoje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3507/4465/files/tifejidewok.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006126.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6126 | 5176 bytes |
SHA-256: f7a01b4b7df6a62954c9e0eb614798999e6916d021c66cba8bac9aecfed365e3 |
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font_01_sfnt_off000072e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72E6 | 10372 bytes |
SHA-256: b748354c0f81ba0898708b0390423dedcf5b2391e26136bf9004f15d9ebc6348 |
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font_02_sfnt_off0000966e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x966E | 16120 bytes |
SHA-256: b5f3ffe332da224e97c9ab581af8a20b8d95ebc58bae4d482cc64425e9e68dc6 |
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