MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same URL, suggesting a lure for users to download a 'free PDF'. The primary attack vector appears to be social engineering via a malicious link.
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=biblia+de+estudio+diario+vivir+reina+valera+1960+gratis+pdf
- http://xamor.solfeggiohypnosis.com/uploads/1/3/0/8/130874493/xoguvutilaw.pdf
- http://zasivida.annemcmillslighting.com/uploads/1/3/2/3/132303382/8208981.pdf
- http://bilawumad.greenapplegarden.org/uploads/1/3/0/7/130739590/xosekemomu.pdf
- http://gupajetuw.slabhappyluress.com/uploads/1/3/1/0/131070115/126027.pdf
- https://cdn.shopify.com/s/files/1/0430/9732/5732/files/97782573777.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovetutokukike.pdf
- https://cdn.shopify.com/s/files/1/0431/6554/8708/files/fageguzatokamejidelew.pdf
- https://cdn.shopify.com/s/files/1/0432/9740/7126/files/dymo_labelwriter_450_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/6562/9077/files/71033522699.pdf
- https://cdn.shopify.com/s/files/1/0431/0876/1751/files/gcse_biology_revision_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/4323/9589/files/degivimorugelilevele.pdf
- https://cdn.shopify.com/s/files/1/0447/9280/7590/files/69875379323.pdf
- https://cdn.shopify.com/s/files/1/0428/8679/1334/files/15591357352.pdf
- https://cdn.shopify.com/s/files/1/0434/3581/9173/files/tomufesuvepopefitafilekos.pdf
- https://cdn.shopify.com/s/files/1/0432/2145/0914/files/libro_aura_descargar.pdf
- https://cdn.shopify.com/s/files/1/0431/4900/0864/files/35459120858.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_off00008476.bin5bd13f2dd2e30ca48176a9594def059247d36980897641cf25cc41ccb7123578 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8476 | 5964 bytes |
font_01_sfnt_off000098cb.bin5e4ef95f7c7fed8bc8e6e08cafdc468958c987de1b311f894f126afe035bfeaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98CB | 11272 bytes |
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