MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector at `ttraff.cc`. This suggests the document is designed to lead users to malicious content under the guise of providing free PDF downloads. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a 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.cc/pify?keyword=periodontologia+clinica+carranza+10+edicion+pdf+gratis
- http://files.erwinandsons.com/uploads/1/3/1/0/131070911/tuwupaxo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/0776/9750/files/50863433830.pdf
- https://cdn.shopify.com/s/files/1/0447/0394/0762/files/cambridge_primary_english_stage_2.pdf
- https://cdn.shopify.com/s/files/1/0433/1739/5611/files/salanokimumotiwis.pdf
- https://cdn.shopify.com/s/files/1/0439/7573/7502/files/rezusugumide.pdf
- https://cdn.shopify.com/s/files/1/0429/8450/5498/files/sawdust_briquettes.pdf
- https://cdn.shopify.com/s/files/1/0433/0808/9509/files/forma_op7.pdf
- https://cdn.shopify.com/s/files/1/0435/4048/0164/files/dunob.pdf
- https://cdn.shopify.com/s/files/1/0428/8181/0595/files/givawijofuxile.pdf
- https://cdn.shopify.com/s/files/1/0433/6533/5190/files/sovural.pdf
- https://cdn.shopify.com/s/files/1/0431/2976/6039/files/av_malformation_leg_radiology.pdf
- https://cdn.shopify.com/s/files/1/0435/2406/3392/files/boguw.pdf
- https://cdn.shopify.com/s/files/1/0432/5238/3907/files/ben_graham_security_analysis.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004a9e.bin9f847b09dae87b54350eba2ac534e61dc777c0e11adf87306ed067c45111ca46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A9E | 5568 bytes |
font_01_sfnt_off00005da0.bin8fab1507ecf1e2df998241f6014bb2682e47024ddc2f9ae7bf8fe79775f2b37d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DA0 | 10364 bytes |
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