MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one identified as a malicious redirector pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text suggesting a lure related to books. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm likely used for SEO poisoning or distributing malicious content. The ML classifier 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=gustavo+adolfo+b%25C3%25A9cquer+libros+pdf
- http://files.shortandhelpfulonlinewriterworkshops.com/uploads/1/3/1/1/131163851/2aa496487ffee.pdf
- http://files.eberharddesign.com/uploads/1/3/1/4/131437949/6866488c1866ef.pdf
- http://files.dennisdotywebsite.com/uploads/1/3/0/7/130738799/xomok.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/9024/7829/files/fituvoxinuda.pdf
- https://cdn.shopify.com/s/files/1/0434/4925/4048/files/3025599446.pdf
- https://cdn.shopify.com/s/files/1/0427/8131/1132/files/48638732338.pdf
- https://cdn.shopify.com/s/files/1/0433/0943/2990/files/povodazefe.pdf
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/41834463629.pdf
- https://cdn.shopify.com/s/files/1/0430/8611/9079/files/fazenino.pdf
- https://cdn.shopify.com/s/files/1/0433/8312/8214/files/cookie_clicker_import_save.pdf
- https://cdn.shopify.com/s/files/1/0429/8620/9439/files/17329255337.pdf
- https://cdn.shopify.com/s/files/1/0427/6341/9815/files/mofigigevizowuw.pdf
- https://cdn.shopify.com/s/files/1/0432/2181/1362/files/997234806.pdf
- https://cdn.shopify.com/s/files/1/0429/8260/4963/files/kemikolarozisefuzodexuk.pdf
- https://cdn.shopify.com/s/files/1/0431/9415/5157/files/68961196114.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_off0000ba86.bin4de8b027b9cdc62a469164d62cc0b01192f12ddaa555303b13dea6aec7c4f2af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA86 | 5648 bytes |
font_01_sfnt_off0000cd88.bin21ce94f480bfbb7435ed56445fce08536582a49dae981522f325931c14c49715 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD88 | 10868 bytes |
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