MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=human+physiology+book+in+telugu+pdf'. This URL is presented within the document body, disguised as a link to a book. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The ML classifier strongly indicates maliciousness.
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=human+physiology+book+in+telugu+pdf In PDF document text
- http://xumuxe.artsforart.org/uploads/1/3/1/6/131606289/defelavoxuvaruz-gamenufo-jufizevoguwif-zojodu.pdfIn PDF document text
- http://jofetiju.alliesonthejourney.net/uploads/1/3/1/6/131607600/tonibusasuguj.pdfIn PDF document text
- http://files.thebdayproject.com/uploads/1/3/1/3/131379803/26253dfc1e68254.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3174/6967/files/41565805534.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3914/6662/files/9903961160.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2198/4166/files/visosidebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3728/6815/files/microsoft_virtual_wifi_miniport_adapter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8711/6965/files/bacterias_gram_positivas_aerobias.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2078/7613/files/exodus_pusha_t_mp3_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2732/5343/files/xusetudo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8075/1006/files/biblia_de_estudio_nelson_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7258/5888/files/97956458448.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6873/5140/files/13102321805.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/37984316233.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9502/4033/files/55061941071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6900/4190/files/2239525400.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_off000079a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79A0 | 5628 bytes |
SHA-256: 8cc46bf281d927433835c27758d209fe3e53838c1e253f2ceda82f490cefa779 |
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font_01_sfnt_off00008c93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C93 | 2532 bytes |
SHA-256: be8a1dcb0edf861938c58d258dac17c745b084ff00d31fb013929108eebbc59e |
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font_02_sfnt_off00009776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9776 | 15372 bytes |
SHA-256: 0c72895de577dc73c4bc184aa3991a5b888a49c2c879c361f5402259e9f6c05b |
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