MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by an ML classifier and contains a large number of external links, a technique often used for SEO poisoning or redirecting users to malicious sites. One of the embedded URLs, 'https://ttraff.link/wix?keyword=introduccion+al+diagnostico+por+imagen+smith+pdf', is identified as a known malicious redirector. The document body, though heavily obfuscated, contains this same URL, reinforcing its malicious intent.
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.link/wix?keyword=introduccion+al+diagnostico+por+imagen+smith+pdf
- https://static.usrfiles.com/ugd/b8c837_4a8cfd4a21b14bce97a092a7442ac139.pdf
- https://static.usrfiles.com/ugd/b8c837_d6c97b325978480dbf153dd2a6de8c26.pdf
- https://static.usrfiles.com/ugd/bfbc46_48dad499ed9947d0a0f5ed64d58a92c4.pdf
- https://static.usrfiles.com/ugd/2e4eb4_f18fd49c97ae4018bd576c2c31b6a71a.pdf
- https://static.usrfiles.com/ugd/b8c837_933b41b389ec4ecaa962cabb6d69992f.pdf
- https://static.usrfiles.com/ugd/b8c837_c2a0ed7352754b0397ec3d77f65b4e49.pdf
- https://cdn.shopify.com/s/files/1/0435/3064/9749/files/socionics_infj_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8011835234.pdf
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/jasekojekeza.pdf
- https://cdn.shopify.com/s/files/1/0462/7742/7349/files/49092542420.pdf
- https://cdn.shopify.com/s/files/1/0429/6504/1311/files/anne_of_green_gables_summary.pdf
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/razekibedilovoretamibugo.pdf
- https://cdn.shopify.com/s/files/1/0431/5119/6315/files/anglo_norman_period.pdf
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/rf_microelectronics_razavi.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_off000057a3.bin6649232ee2f6dfeb124f1ac3f520d17dd27ec0e9df5c8617f17bf124142eefe2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57A3 | 5504 bytes |
font_01_sfnt_off00006a32.bina16353feb5058d13611f9dc3b12193e93b7640ac9ec25803dc150198bdad7786 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A32 | 11064 bytes |
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