MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, a technique often used for SEO link farming to improve search engine rankings for malicious sites. One of the primary links directs to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.
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=le+passe+compose+avec+etre+et+avoir+exercices+pdf
- http://badoribiz.gazettemediagroup.com/uploads/1/3/2/6/132681579/novurusozibopomen.pdf
- http://jukelik.thatoneplaceintown.com/uploads/1/3/2/7/132712207/1258988.pdf
- http://files.kimmydee.com/uploads/1/3/1/4/131454482/kudamoda-ripewiwopunobib-juwotoviguju-togevamekuluje.pdf
- http://files.theinnovationcamp.com/uploads/1/3/1/4/131407974/2d56755f3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0450/1300/8534/files/cardiopatia_isquemica_cronica_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8833338052.pdf
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/administration_of_criminal_justice_law_lagos.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/numatigomirupevimizod.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/26607561621.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28821374719.pdf
- https://cdn.shopify.com/s/files/1/0437/4996/5985/files/purimusafefudefonijilosag.pdf
- https://cdn.shopify.com/s/files/1/0430/5338/3833/files/ludegodipem.pdf
- https://cdn.shopify.com/s/files/1/0428/5353/1807/files/31891055358.pdf
- https://cdn.shopify.com/s/files/1/0428/2990/6079/files/spinal_anesthesia_complications.pdf
- https://cdn.shopify.com/s/files/1/0431/2619/4342/files/puverure.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_off00006ac8.bin8f2e5b6150de230590f72f5db52029fb94c6648e632fd8c217988a5b27b537c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AC8 | 5340 bytes |
font_01_sfnt_off00007ce5.bindaf825e6b0b5e775107e8d76b3d18e51e7820c41c6140dc0ecf551681a2144fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CE5 | 11536 bytes |
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