MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, contains references to the redirector URL and other PDF links, suggesting a link farm or redirection scheme. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=characteristics+of+effective+information+system
- http://fupopage.billiardsaustralia.com/uploads/1/3/2/7/132710621/1ee42fd7d9c6.pdf
- http://wupep.34-24-36.com/uploads/1/3/0/7/130776659/ec64521b3636.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/1789/4050/files/encphalite_virale.pdf
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/zopupiwe.pdf
- https://cdn.shopify.com/s/files/1/0437/4170/8453/files/defy_your_limits_the_telekinesis_training_method.pdf
- https://cdn.shopify.com/s/files/1/0432/6031/3768/files/advanced_strength_of_materials_nptel.pdf
- https://cdn.shopify.com/s/files/1/0435/9343/3246/files/pixelmon_hard_stone.pdf
- https://cdn.shopify.com/s/files/1/0439/1777/0904/files/fazamaxewivu.pdf
- https://cdn.shopify.com/s/files/1/0431/3320/6690/files/c_clear_input_buffer.pdf
- https://cdn.shopify.com/s/files/1/0433/9957/7756/files/tinkerbell_and_friends_coloring_pages.pdf
- https://cdn.shopify.com/s/files/1/0429/6946/4991/files/game_of_thrones_death_pool.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006080.bine61e5a311e17e052f190b017d1c9ce6c6a001ea5f3873aa9cc4cafb8f17b560a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6080 | 5156 bytes |
font_01_sfnt_off000071ea.bin1c1a220574daf08268d04466ac47eaa5b21742fa97b46720c351151ee6f9ac5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71EA | 9328 bytes |
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