MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to a redirector infrastructure known for malicious activity. The document body and heuristics indicate a lure for free downloads, likely leading to further malicious content or phishing attempts. The ML classifier strongly supports the malicious verdict.
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=malayalam+kambi+kathakal+novel+pdf+download In PDF document text
- http://files.ewiechart.com/uploads/1/3/2/3/132302913/gomokiwu-dapewijutufose-jofumuvusu.pdfIn PDF document text
- http://zutuvox.photosfrommyheart.net/uploads/1/3/2/3/132303382/643d4b7ae959f.pdfIn PDF document text
- http://files.neosvf.com/uploads/1/3/2/7/132741535/vixegi.pdfIn PDF document text
- http://files.sharonlewis.net/uploads/1/3/0/7/130740231/nubakadabulagevilag.pdfIn PDF document text
- http://wapexofud.reikifortheplanet.com/uploads/1/3/0/8/130814017/2531b11c7ef64.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
- http://smc.org.inhttp://smc.org.inIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5314/6527/files/cask_of_amontillado_original_text.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1781/3661/files/jabag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8462/8633/files/78575440767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/unclaimed_property_arizona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32377204601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7018/5879/files/11590774984.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6217/3604/files/zimafuvujitov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42539854631.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4894/4295/files/mokeremezedufukuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1361/1421/files/54963332842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5657/0266/files/xirunusodagizis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9232/0161/files/vuzadedagorovewigadakuro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1370/5625/files/panduan_belajar_excel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49605194079.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
- https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000059ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59FF | 5472 bytes |
SHA-256: 59907c97e7de94b01d4cfea335e39aa2071ad6a136861f5ef9b9ba5fb0ce72a8 |
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font_01_sfnt_off00006c94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C94 | 9444 bytes |
SHA-256: a83809741a581554dccd896128fff85b7d2be60dd8da5b1acaca63cccc977426 |
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font_02_sfnt_off00008c46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C46 | 2140 bytes |
SHA-256: a1c68180eae955d710b1f59d89b7b5bb1f22246194deffa7b9c3298859733f9b |
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font_03_sfnt_off0000961e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x961E | 10348 bytes |
SHA-256: ee10df1609b989cb8c754017234e4902f6d8db5ba79b852495204ea443d24013 |
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