MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with a critical heuristic firing for a PDF link farm. One of the primary links points to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the document is designed to lure users to malicious websites, potentially for further exploitation or phishing.
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=some+statistical+process+control+methods+for+autocorrelated+data+pdf In PDF document text
- http://files.topnamsausage.com/uploads/1/3/2/6/132682851/295670.pdfIn PDF document text
- http://mozozevu.josezayasdirector.com/uploads/1/3/2/6/132683014/wezoxibijawesid.pdfIn PDF document text
- http://files.antoineauriol.com/uploads/1/3/2/6/132695569/dasojojuzibifo.pdfIn PDF document text
- http://files.skinboutique.shop/uploads/1/3/0/8/130874627/fbf0527.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/1/0428/4035/9068/files/dunipamerutoza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4166/8770/files/84481163258.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6609/6802/files/sanitation_exam_5001_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8813/3787/files/number_pattern_solver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8523/4338/files/75449695290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5503/7093/files/pte_read_aloud_practice_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7314/2935/files/unir_dos_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9870/1977/files/artus_cimber.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/91201844961.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5663/6828/files/pre_calculus_grade_11_module.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6402/5493/files/53157675033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2049/9620/files/69782539638.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_off0000c589.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC589 | 5500 bytes |
SHA-256: 25e38fbf222d4b9ba8295f65c2b123ff0c52f6ded8ade6b8f99bb235a09b86ba |
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font_01_sfnt_off0000d804.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD804 | 10552 bytes |
SHA-256: c966306862e92e2fbe5092fd95ad2a880ee6fced9823afaf8865cc60128dc9ba |
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font_02_sfnt_off0000fc76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC76 | 16076 bytes |
SHA-256: f8e737b0e52d10b8c3d22f6f85f8d017d3f7ff2f8b7951f592d53032d27fbb61 |
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