MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external PDF files. One of the primary URLs, 'https://ttraff.com/pify?keyword=sindrome+apneia+obstrutiva+do+sono+pdf', is identified as a malicious redirector.
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=sindrome+apneia+obstrutiva+do+sono+pdf
- http://files.eaglepointirrigation.com/uploads/1/3/1/3/131379553/1713672.pdf
- http://files.megacandyimporters.com/uploads/1/3/1/4/131454459/jujulerupubaze.pdf
- http://files.milmarianas.com/uploads/1/3/1/1/131164358/0ab3e5.pdf
- http://files.freehandsilversmithco.com/uploads/1/3/1/4/131437515/tegekedi.pdf
- https://cdn.shopify.com/s/files/1/0435/5381/6728/files/tijumeniga.pdf
- https://cdn.shopify.com/s/files/1/0431/3301/0074/files/sbi_bank_po_english_book.pdf
- https://cdn.shopify.com/s/files/1/0429/6084/7004/files/ataxia_cerebelosa_pediatria.pdf
- https://cdn.shopify.com/s/files/1/0437/9141/7505/files/zepagivujo.pdf
- https://cdn.shopify.com/s/files/1/0434/9886/4804/files/english_analytical_reasoning_mcqs_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/0974/4789/files/90895970600.pdf
- https://cdn.shopify.com/s/files/1/0431/3006/0955/files/18257206214.pdf
- https://cdn.shopify.com/s/files/1/0430/9506/4730/files/89430225734.pdf
- https://cdn.shopify.com/s/files/1/0428/7420/8415/files/loxofotapomawofaretiwaj.pdf
- https://cdn.shopify.com/s/files/1/0430/1357/0709/files/49638527657.pdf
- https://cdn.shopify.com/s/files/1/0431/1616/7319/files/mbe_900_service_manual.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_off00005d49.binb634303376cbbb1afc482bba62d43e7c05246022e7dcdf6d906230bb68601705 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D49 | 5456 bytes |
font_01_sfnt_off00006fbb.binf1639a28cdd584f95739a68e3a4989900d4cf903c986479d30390da11b8d6667 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FBB | 9956 bytes |
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