MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that leads to the redirector, suggesting a lure to malicious infrastructure. The presence of a large number of external PDF links indicates a link farm strategy, likely for SEO manipulation or to host further malicious content.
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=chinese+chess+openings+pdf
- http://files.forestermusictherapy.com/uploads/1/3/1/3/131397955/dobevemepefov.pdf
- http://files.jscsbc.com/uploads/1/3/1/3/131378771/viraxofob_netufe_mulafisiw.pdf
- http://files.corinnehollowayart.com/uploads/1/3/0/7/130739318/f0ac9e3fc.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2181/1362/files/pokimalifuworobelugedo.pdf
- https://cdn.shopify.com/s/files/1/0438/1717/3149/files/tinoxidixanoguxalasiv.pdf
- https://cdn.shopify.com/s/files/1/0437/6294/2106/files/66165916616.pdf
- https://cdn.shopify.com/s/files/1/0434/6331/1513/files/31407249121.pdf
- https://cdn.shopify.com/s/files/1/0432/4858/2820/files/char_broil_turkey_fryer_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/0419/8038/files/86871621007.pdf
- https://cdn.shopify.com/s/files/1/0430/7727/1706/files/fadevapizuredawigibawin.pdf
- https://cdn.shopify.com/s/files/1/0431/1888/7073/files/38150809836.pdf
- https://cdn.shopify.com/s/files/1/0433/5845/3918/files/bekekudeg.pdf
- https://cdn.shopify.com/s/files/1/0433/9207/3895/files/coffee_break_french_free_download.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f4f.bind6492d768bf725433fd96a56696965411d2fd10bde41410ca763ada3498482b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F4F | 4984 bytes |
font_01_sfnt_off0000804a.bin82d18ec8e2e9bd78598e6bb151f376d57742b918d6c0378da8d87e2d512c6e1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x804A | 10436 bytes |
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