MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, including a critical link to a known malicious redirector at 'https://ttraff.cc/wix?keyword=libri+in+pdf+da+scaricare+gratis'. The document body, though heavily obfuscated, appears to be a lure for free PDF downloads, which is a common tactic for phishing or malware distribution. The ML classifier strongly supports the malicious verdict.
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/wix?keyword=libri+in+pdf+da+scaricare+gratis
- https://static.usrfiles.com/ugd/b8c837_cd1ce91826c9476d95f0a45d7b407795.pdf
- https://static.usrfiles.com/ugd/9d869b_b4da50d0d5d945a09f079a49a643d3e4.pdf
- https://static.usrfiles.com/ugd/b8c837_e2f97d989bce4ff79a7d7a2b7692f33d.pdf
- https://cdn.shopify.com/s/files/1/0432/0247/8237/files/federexuve.pdf
- https://cdn.shopify.com/s/files/1/0437/9043/4455/files/ashrae_standard_15.pdf
- https://cdn.shopify.com/s/files/1/0428/9898/1030/files/53615264510.pdf
- https://cdn.shopify.com/s/files/1/0435/9123/7791/files/8956873072.pdf
- https://cdn.shopify.com/s/files/1/0433/5068/7903/files/the_mongols_in_world_history_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0429/7188/9817/files/nodelokopimufepuvu.pdf
- https://static.usrfiles.com/ugd/e3834b_3d1635b83519438586689008b6155999.pdf
- https://static.usrfiles.com/ugd/b8c837_bdcfd85f4cf94ac19686e48e7022ee2b.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007298.bin7eadebf971966d2855923ce46edb69a697f2e21b521a6cf97e846fb18732a9be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7298 | 5052 bytes |
font_01_sfnt_off000083ba.bin15c453979f293ee8d5d147bb954e1529f667c31f085ef2c4b2a86cf530ed1190 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83BA | 11064 bytes |
font_02_sfnt_off0000a79c.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA79C | 4324 bytes |
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