MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a direct link to a known malicious redirector, ttraff.ru. The document body, though partially corrupted, contains keywords related to the malicious URL, suggesting a lure. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be directing users to malicious infrastructure via embedded links.
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.ru/pify?keyword=manual+blister+packaging+machine+for+sale
- http://lukalito.de-benedetti.com/uploads/1/3/1/4/131406069/senufaro.pdf
- http://dipabu.transformanimaltraining.com/uploads/1/3/1/3/131398368/1369032.pdf
- https://cdn.shopify.com/s/files/1/0436/9465/3594/files/nvidia_jetson_tx2_datasheet.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62386903812.pdf
- https://cdn.shopify.com/s/files/1/0430/7720/6165/files/dumbledore_meme_template.pdf
- https://cdn.shopify.com/s/files/1/0437/0454/9531/files/55802539567.pdf
- https://cdn.shopify.com/s/files/1/0433/6176/3480/files/mifesez.pdf
- https://cdn.shopify.com/s/files/1/0431/1869/0458/files/b_pharmacy_syllabus_bamu_university.pdf
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/anatomy_and_physiology_directional_terms.pdf
- https://cdn.shopify.com/s/files/1/0430/3853/9927/files/12308225040.pdf
- https://cdn.shopify.com/s/files/1/0434/6671/9385/files/jordan_cc_sims_4.pdf
- https://cdn.shopify.com/s/files/1/0433/2532/5465/files/xufutowemaga.pdf
- https://cdn.shopify.com/s/files/1/0450/1841/5254/files/63536712951.pdf
- https://cdn.shopify.com/s/files/1/0427/7354/5116/files/28343963723.pdf
- https://cdn.shopify.com/s/files/1/0434/5105/6295/files/patogenesis_anemia_megaloblastik.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_off000067ce.bin007bd1069a8208d6b2fc78d09372646fbe9af4c19cb3cbaf602d54b3dd9f716a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67CE | 5640 bytes |
font_01_sfnt_off00007acd.binbb9698fb7b3d77d3b1b4f8ce86a1df170c3f9c31b764b77e83807b62c529a676 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ACD | 9980 bytes |
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