MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service that is associated with malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure, directing users to a potentially malicious site. The ML classifier strongly indicates maliciousness, and the presence of a redirector link confirms a malicious intent to lead the user to a harmful 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.com/pify?keyword=active+voice+and+passive+voice+question+pdf In PDF document text
- http://files.jjjohnsonauthor.com/uploads/1/3/1/4/131437268/lotoxaboxubuw.pdfIn PDF document text
- http://files.mylittlebiblestudy.com/uploads/1/3/0/8/130873899/womafobanuz_kovinijoxexaxu_meroxato_zefakekili.pdfIn PDF document text
- http://files.veteransmemorialhighway36.com/uploads/1/3/1/4/131407051/detilug.pdfIn PDF document text
- http://files.mindfuledibles.me/uploads/1/3/1/8/131856743/aa3a54.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/1/0438/2218/6656/files/civil_engineering_book_bangla.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1575/7214/files/54625412954.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1220/9315/files/how_to_turn_off_wifi_direct.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8085/0335/files/latiguraloja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5637/9557/files/maulana_abul_kalam_azad_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3199/4280/files/75876386730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3770/4867/files/nikulile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9436/0735/files/4455659317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8048/1954/files/english_grammar_book_in_telugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5184/3733/files/beluxuwijovupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8555/3061/files/zuseni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1478/2104/files/27452108332.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_off00006b31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B31 | 5196 bytes |
SHA-256: 7bdf3ff91bc392ab37ee43eb065cf7b610df0a69b7b3d26a89e7769dbbd783f2 |
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font_01_sfnt_off00007d02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D02 | 10120 bytes |
SHA-256: e9ca3ebb098bad73fd57018a0a8246b0e473d412e49e964b359d79b6d8378517 |
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font_02_sfnt_off00009fcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FCB | 16092 bytes |
SHA-256: 9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2 |
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