MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service. The ML classifier also flagged this PDF as malicious. The document body contains obfuscated text and multiple URLs, including a suspicious redirector URL. The primary attack pattern involves luring users to malicious websites through these embedded links.
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=las+reformas+borbonicas+en+el+peru+pdf In PDF document text
- http://files.wormfoodforthough.net/uploads/1/3/0/9/130969243/e9c22e71c4f8.pdfIn PDF document text
- http://files.radhikarao.org/uploads/1/3/0/7/130776641/sewuwekajato_jixoz.pdfIn PDF document text
- http://jodaga.alexandriahustlerisingstars.com/uploads/1/3/0/9/130969489/7442736.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0427/8996/1884/files/kitapugerogiribudamada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3717/7494/files/lepaxawogusarezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0716/5095/files/catholic_lifetime_reading_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8920/6174/files/52008671707.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5667/7543/files/tratamiento_nutricional_en_anemia_ferropenica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9295/9642/files/99301925727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7433/8454/files/85563683660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6761/2063/files/oracle_pl_sql_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9889/8592/files/4607987350.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5815/0046/files/basic_sql_queries.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/sapareresajolomewonoro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/xemusawefudoserorekonenes.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007d21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D21 | 1880 bytes |
SHA-256: 22d477db99957cb250af4a642bf11d8de71cb44e59e3bf4a13a501b440c79064 |
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font_01_sfnt_off00008644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8644 | 5384 bytes |
SHA-256: 4b05332c1299dfe072161f6c248d9b60173dd2e3c69ac0f2ab3554c9a5d4c732 |
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font_02_sfnt_off00009875.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9875 | 11796 bytes |
SHA-256: c97ffe4c12e96ce4704838cf5be3b9a47431e572822d2b6a6edb3f60542ce03f |
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font_03_sfnt_off0000beb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEB0 | 16840 bytes |
SHA-256: 482d3104c6934c68feb94f85b3a43ac9f5d765b4463e79f0c495fa92c32fdca3 |
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