MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that this URL is part of infrastructure used for malicious redirection. Additionally, the 'PDF_SEO_LINK_FARM' heuristic suggests the document is designed to host numerous external links, likely for SEO manipulation or to distribute malicious content. No scripts were extracted from this sample.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=alphabetical+order+and+miscellaneous+series+pdf In PDF document text
- http://files.orangeblossombooks.com/uploads/1/3/1/6/131606798/4348990.pdfIn PDF document text
- http://files.christchapelmaine.org/uploads/1/3/2/3/132303075/foxigitodatipup-budosasap-dutameg.pdfIn PDF document text
- http://files.unbarbadosandoecs.org/uploads/1/3/1/1/131164046/3995283.pdfIn PDF document text
- http://files.benjamincraig.org/uploads/1/3/1/4/131483020/4583910.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/1/0431/1020/3556/files/lajepegove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2814/3510/files/zakonosagejaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0041/3856/files/fopafikutujogagaxubelekil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5531/7149/files/18757159375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7608/4117/files/true_strike_cantrip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4504/3876/files/61528845761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3387/8940/files/nigagujoga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0300/1502/files/42751891283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8914/9608/files/62805327650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3526/3138/files/buwaloriximigemojupubaxil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4826/4089/files/12103354100.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_off0000583a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x583A | 5524 bytes |
SHA-256: b7b852ace1c8f471a0967ddbc0b66e016dbb2555019a4e47f25d3475f6280882 |
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font_01_sfnt_off00006acc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ACC | 10400 bytes |
SHA-256: cbe33798ff87173870f52d1cba8dac4d8f24581f044021a34141a01373700a78 |
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font_02_sfnt_off00008e62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E62 | 17064 bytes |
SHA-256: 63021b88d3c29d861422537119efaa9df63fd03731455ca8a0944cad28d255ec |
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