MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
This PDF file contains multiple embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=apprendre+l+espagnol+cours+pdf', suggesting a phishing or social engineering attempt to trick users into visiting a malicious site. The ML classifier strongly indicates 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.ru/pify?keyword=apprendre+l+espagnol+cours+pdf
- http://files.orangevalleycreations.com/uploads/1/3/1/3/131383510/bujofaketuwomidabej.pdf
- http://files.colordoor.org/uploads/1/3/0/9/130969603/jobigomuridoriv.pdf
- http://wadolix.rockwehrmann.com/uploads/1/3/0/7/130776483/8a4ab9972ef1.pdf
- https://www.espagnolfacile.com
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/96989909812.pdf
- https://cdn.shopify.com/s/files/1/0432/1899/3320/files/33983796125.pdf
- https://cdn.shopify.com/s/files/1/0433/6504/0286/files/17457666738.pdf
- https://cdn.shopify.com/s/files/1/0428/5526/8518/files/fejususix.pdf
- https://cdn.shopify.com/s/files/1/0438/4181/4693/files/just_like_animal_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0435/9149/9935/files/sebexorimivin.pdf
- https://cdn.shopify.com/s/files/1/0432/5117/1478/files/kanugesopijederori.pdf
- https://cdn.shopify.com/s/files/1/0431/1279/2221/files/31091088572.pdf
- https://cdn.shopify.com/s/files/1/0429/1756/0473/files/int_max_value_java.pdf
- https://cdn.shopify.com/s/files/1/0429/9223/8745/files/skull_trooper_purple.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_off0000b08a.bin1e8541f4dee6825907148fbcb6cc291f02a6b5b5776e4c69fbc79ff48fe28991 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB08A | 5312 bytes |
font_01_sfnt_off0000c2ab.bin3170c961cf2df2baa15a8adf8c82bcb1607418bea3a0f9caac1dfb3f0d3f9d61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2AB | 11560 bytes |
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