MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, a technique often used in SEO link farms to manipulate search engine rankings. One of these links, 'https://ttraff.cc/pify?keyword=apatia+definicion+pdf', is identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated.
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.cc/pify?keyword=apatia+definicion+pdf
- http://files.altitude3330.com/uploads/1/3/1/4/131407135/wosagu-misejus-xowib-nogob.pdf
- http://tanutopib.kenplattlaw.net/uploads/1/3/1/3/131380390/mupisopozad.pdf
- http://files.365transportation.com/uploads/1/3/1/4/131406520/9a3a9d816f7e.pdf
- http://gewazur.crittersitterjc.com/uploads/1/3/0/9/130969959/lafag-xowujadupusozoj-piwadibesagituv.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1188956193.pdf
- https://cdn.shopify.com/s/files/1/0430/2562/9347/files/albert_bandura_social_learning_theory.pdf
- https://cdn.shopify.com/s/files/1/0431/3242/0250/files/93124450010.pdf
- https://cdn.shopify.com/s/files/1/0432/4245/5207/files/analytical_mechanics_of_space_systems_third_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/7974/5192/files/3478121375.pdf
- https://cdn.shopify.com/s/files/1/0434/6924/2534/files/74373423216.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/datumaf.pdf
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/tipos_de_ansiedad_en_nios.pdf
- https://cdn.shopify.com/s/files/1/0433/9885/6867/files/2018.pdf
- https://cdn.shopify.com/s/files/1/0432/6939/0500/files/36735456915.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_off00005bf5.bin0ae4623ce6e7fcbd5eb4a6987b2853a580d2b2a8a5248fad63bafb36f74f3df8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BF5 | 4832 bytes |
font_01_sfnt_off00006c73.bin7cfbaadfb53c1b65e3c463b0010f8117cc2d9d12d1c5e9a46d0251f25283f747 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C73 | 11020 bytes |
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