MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a deceptive title 'Attached book pdf reddit' and embeds a link to a known malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, and the ML classifier also flagged the document as malicious. The embedded link likely leads to a phishing or malware distribution site.
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=attached+book+pdf+reddit
- http://files.abetterwaybeef.com/uploads/1/3/0/7/130776196/jedesefop.pdf
- http://files.dhnature.org/uploads/1/3/1/0/131070313/xafesovufenokazado.pdf
- http://files.sphsmusicboosters.com/uploads/1/3/2/6/132681725/2615ddb.pdf
- http://files.jacquelynharris.com/uploads/1/3/1/3/131380539/9165943.pdf
- http://files.menopausalmommyrants.com/uploads/1/3/0/7/130739155/67f123ad6.pdf
- https://cdn.shopify.c
- https://cdn.shopify.com/s/files/1/0432/4599/4146/files/39250434939.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/64416026024.pdf
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/ketenaxekisomimewivomive.pdf
- https://cdn.shopify.com/s/files/1/0434/0636/0730/files/76708578956.pdf
- https://cdn.shopify.com/s/files/1/0433/7080/7459/files/27791650029.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977314479.pdf
- https://cdn.shopify.com/s/files/1/0434/5783/9254/files/94597221235.pdf
- https://cdn.shopify.com/s/files/1/0430/8680/7201/files/98763148365.pdf
- https://cdn.shopify.com/s/files/1/0433/5026/1911/files/44201254385.pdf
- https://cdn.shopify.com/s/files/1/0432/4933/6483/files/emergency_care_13th_edition_download.pdf
- https://cdn.shopify.com/s/files/1/0428/6775/3116/files/malom.pdf
- https://cdn.shopify.com/s/files/1/0430/5892/1621/files/98790940232.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a5b8.bin1d7dc10746e4766cd7847b7282bc4415babf48a93876330f60334aa5dc83f726 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5B8 | 5224 bytes |
font_01_sfnt_off0000b772.bind2e43f8980581df1945a874878847692f8e6d0ff36c9237a13ad244a3dbb129b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB772 | 10936 bytes |
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