MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for a book download. The presence of a malicious redirector and the link farm structure strongly suggest an attempt to lead users to malicious content, likely for phishing or malware distribution.
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=bella+y+bestia+libro+pdf
- http://files.youngchaelee.com/uploads/1/3/0/7/130775666/e091758ee.pdf
- http://files.sharonjriley.com/uploads/1/3/1/0/131070327/4367628.pdf
- http://files.rbsknowledge.com/uploads/1/3/1/8/131856725/lijunabozoz_gedifizenibu_xixunefibadi_vuwures.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0431/1190/7488/files/invitation_to_computer_science_8th_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/0044/7655/files/fudugujaxexejolapu.pdf
- https://cdn.shopify.com/s/files/1/0432/1312/7844/files/javascript_hash_function.pdf
- https://cdn.shopify.com/s/files/1/0431/6119/0554/files/69435281298.pdf
- https://cdn.shopify.com/s/files/1/0440/8826/2821/files/64029862931.pdf
- https://cdn.shopify.com/s/files/1/0427/7148/0742/files/201823564.pdf
- https://cdn.shopify.com/s/files/1/0434/5865/8454/files/bixajavufowapudisem.pdf
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/ludadijuzipimam.pdf
- https://cdn.shopify.com/s/files/1/0430/9286/9281/files/59908457510.pdf
- https://cdn.shopify.com/s/files/1/0434/0210/0886/files/85574765042.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c914.bin0d42e733441a1301c5ee6cb17e526bbd3ef6802596899170e402622d2eac56e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC914 | 5008 bytes |
font_01_sfnt_off0000da2f.bine7a55bb488412cee38f0e46e6736c41002bc343126daba4e22cf90c07621c50e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2F | 11416 bytes |
font_02_sfnt_off0000ff4d.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF4D | 4324 bytes |
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