MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'birthday gift images hd' and the malicious URL itself, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which point to benign content, likely to mask the 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.ru/wix?keyword=birthday+gift+images+hd
- https://static.usrfiles.com/ugd/9cfd0a_c4590f36d3c84835b596ea3704cb691b.pdf
- https://static.usrfiles.com/ugd/0511f5_80fcf924eeed4b9297af6b5c1849707b.pdf
- https://static.usrfiles.com/ugd/2ddd39_9f9835b24b4748f185cb4fd5c19915f7.pdf
- https://static.usrfiles.com/ugd/764aaa_de3c205d95764a2486b255c9777bd67e.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wososopozabe.pdf
- https://cdn.shopify.com/s/files/1/0433/7742/6584/files/24244129376.pdf
- https://cdn.shopify.com/s/files/1/0430/7327/4018/files/7100396775.pdf
- https://cdn.shopify.com/s/files/1/0436/5362/8062/files/63777415799.pdf
- https://static.usrfiles.com/ugd/b8c837_d274c9f52c3740d0b0c48013583d06c0.pdf
- https://static.usrfiles.com/ugd/b8c837_4a12b8c2a6b14c78b162a8183953af0f.pdf
- https://static.usrfiles.com/ugd/c1615c_d572887de02f48ea8df5ea3002175d7a.pdf
- https://cdn.shopify.com/s/files/1/0435/1302/0570/files/bivugexuketafofudot.pdf
- https://cdn.shopify.com/s/files/1/0433/3446/7752/files/doluma.pdf
- https://cdn.shopify.com/s/files/1/0428/9839/1196/files/gonorrhea_treatment_guidelines_australia.pdf
- https://cdn.shopify.com/s/files/1/0434/0331/3308/files/bootstrap_components_template_free.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_off00007404.bin892b0d1f8eec1c4ed1f18bdbacdd1642981bbe22d46b7ae9cd4736e2439d819b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7404 | 5440 bytes |
font_01_sfnt_off00008669.bin56690f3496c85a68a0fb4c9463fca893e3b767420c8ff3f1ec153470de22240d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8669 | 11004 bytes |
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