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 external PDF files, suggesting a link farm for SEO manipulation. One of the primary links directs to a known malicious redirector, indicating an attempt to lead the user to harmful content. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=uniformly+accelerated+motion+horizontal+dimension+problems+with+solution+pdf
- http://xurumog.ctnonline.com/uploads/1/3/1/3/131383483/tuzisiwevobewo.pdf
- http://gitizota.bellabirth.org/uploads/1/3/1/4/131438477/wofukijav.pdf
- http://files.smile2340.com/uploads/1/3/1/3/131384771/nikojaxuvupu-texeganev.pdf
- http://files.hollymoxley.com/uploads/1/3/1/6/131637362/af7c1033aa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0448/6037/5201/files/olivier_blanchard_macroeconomics.pdf
- https://cdn.shopify.com/s/files/1/0435/5060/5461/files/type_of_learning_disability.pdf
- https://cdn.shopify.com/s/files/1/0450/2195/4206/files/oregon_wine_country_map.pdf
- https://cdn.shopify.com/s/files/1/0435/1049/7434/files/somilazaki.pdf
- https://cdn.shopify.com/s/files/1/0436/1266/8066/files/73838015785.pdf
- https://cdn.shopify.com/s/files/1/0433/3728/5797/files/75830486890.pdf
- https://cdn.shopify.com/s/files/1/0428/9652/3423/files/english_stories_book.pdf
- https://cdn.shopify.com/s/files/1/0434/3224/7445/files/647536582.pdf
- https://cdn.shopify.com/s/files/1/0435/7590/2363/files/88052527879.pdf
- https://cdn.shopify.com/s/files/1/0434/1347/1384/files/40207680940.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_off00005f4b.binbf4b1d5f365fa19ca570b290b3b32431a8a61659e2d9235ea414a4f2b838c301 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F4B | 5772 bytes |
font_01_sfnt_off000072de.bin2c79f891d967276d2b40600644bcc17b81f74169bf3d4ab62405ce0789cd2b53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72DE | 9540 bytes |
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