MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to PDF cropping and a URL that appears to be part of a link farm designed to attract search engine traffic. The ML classifier strongly indicates maliciousness. The primary attack vector is likely a phishing lure directing users to malicious infrastructure.
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=how+to+crop+pdf
- http://files.thegeneralmusic.com/uploads/1/3/2/7/132712119/5213996.pdf
- http://files.cyclonejerseys.com/uploads/1/3/1/8/131856646/7449953.pdf
- http://files.truthisstrangerthansciencefiction.org/uploads/1/3/1/4/131437378/revepomemafage.pdf
- https://cdn.shopify.c
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruwofejimu.pdf
- https://cdn.shopify.com/s/files/1/0434/7035/6632/files/95276018726.pdf
- https://cdn.shopify.com/s/files/1/0440/6683/2534/files/kupomezofebovokirobu.pdf
- https://cdn.shopify.com/s/files/1/0436/3590/0569/files/97319828081.pdf
- https://cdn.shopify.com/s/files/1/0438/8637/9160/files/73759668648.pdf
- https://cdn.shopify.com/s/files/1/0430/1278/4277/files/24313012737.pdf
- https://cdn.shopify.com/s/files/1/0431/9726/8128/files/todamefa.pdf
- https://cdn.shopify.com/s/files/1/0428/9318/1081/files/zubuge.pdf
- https://cdn.shopify.com/s/files/1/0430/6262/4405/files/poxidanupogagozitejexerow.pdf
- https://cdn.shopify.com/s/files/1/0435/8068/6491/files/58359122960.pdf
- https://cdn.shopify.com/s/files/1/0427/4293/9814/files/52710296449.pdf
- https://cdn.shopify.com/s/files/1/0437/0900/5978/files/66733823778.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44603331863.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_off00008237.bin8e3be092435fa81a9f6cd38ece6d69177b2ac217d74fbc85243e1a98851180f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8237 | 4784 bytes |
font_01_sfnt_off0000929f.bin8cdea764df4b968c49a0a66d4780e5486c0810107441c086f4ff2c57d990795b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x929F | 10376 bytes |
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