MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious due to a high ML score and the presence of a link to a known malicious redirector. It also contains a large number of embedded links, suggesting an SEO manipulation or link farm tactic. The document body contains the malicious URL and several benign-looking PDF links, likely part of the SEO strategy. No scripts were extracted, limiting the analysis of direct execution capabilities.
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=fantaisie+impromptu+sheet+music+imslp
- https://static.usrfiles.com/ugd/451461_df1875679ac74107b9df23d7b2689b22.pdf
- https://static.usrfiles.com/ugd/b8c837_1a60f4f1975640dfb9fb79f334aec1fd.pdf
- https://static.usrfiles.com/ugd/6cf392_a86818077e6445d595841e68ba0464da.pdf
- https://static.usrfiles.com/ugd/b8c837_81a1a1ea9071436fa46061a6bd567d35.pdf
- https://cdn.shopify.com/s/files/1/0434/3100/2269/files/duwofejaxuwug.pdf
- https://cdn.shopify.com/s/files/1/0437/4737/7301/files/chaconne_bach_violin.pdf
- https://cdn.shopify.com/s/files/1/0435/5093/3155/files/farolagopakomonulixure.pdf
- https://cdn.shopify.com/s/files/1/0434/3182/1473/files/wibusazanu.pdf
- https://cdn.shopify.com/s/files/1/0448/4258/2176/files/hospital_waste_management_in_ethiopia.pdf
- https://cdn.shopify.com/s/files/1/0431/9290/9987/files/ews_certificate_gujarat.pdf
- https://cdn.shopify.com/s/files/1/0435/2986/3320/files/momosikikemisizilavaj.pdf
- https://cdn.shopify.com/s/files/1/0435/4120/1064/files/jewixagenudulibo.pdf
- https://cdn.shopify.com/s/files/1/0428/6405/0332/files/convert_kilos_to_pounds.pdf
- https://cdn.shopify.com/s/files/1/0435/8176/7848/files/zubatonasusina.pdf
- https://cdn.shopify.com/s/files/1/0452/1220/5216/files/xugidekujezeriwobovokisub.pdf
- https://cdn.shopify.com/s/files/1/0435/3150/1720/files/exercise_routine_for_weight_loss.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_off00006439.bin4c86cd35adfcb6e902f4f65fffa1f9f1d4b73673da432465e64e6f1b28f48c72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6439 | 5128 bytes |
font_01_sfnt_off0000757f.bin456fb8d86db118ffb6a88749ce0a2a6206e19a211a394902109884c148ce2e2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x757F | 10592 bytes |
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