MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL which is likely intended to lead the user to a malicious site under the guise of a financial audit document.
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=auditoria+financiera+gubernamental+peru+pdf
- http://files.uniqorner.com/uploads/1/3/1/8/131856771/713365.pdf
- http://tavulop.aicheucr.com/uploads/1/3/0/7/130740013/suxomabuk.pdf
- http://files.madelinedonnerstag.com/uploads/1/3/1/4/131406736/kujunuxunir_gexolusix.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60868594071.pdf
- https://cdn.shopify.com/s/files/1/0435/9861/0591/files/xbox_one_driver_windows_10.pdf
- https://cdn.shopify.com/s/files/1/0438/0898/1152/files/fazoxojurotowatoxez.pdf
- https://cdn.shopify.com/s/files/1/0430/6921/0773/files/didako.pdf
- https://cdn.shopify.com/s/files/1/0430/8670/8893/files/plural_form_of_crisis.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6138/files/47923264607.pdf
- https://cdn.shopify.com/s/files/1/0428/5746/3964/files/62432815716.pdf
- https://cdn.shopify.com/s/files/1/0434/2729/9478/files/bls_american_heart_association.pdf
- https://cdn.shopify.com/s/files/1/0431/3668/0102/files/42558650373.pdf
- https://cdn.shopify.com/s/files/1/0434/4306/0901/files/1996_honda_shadow_1100_manual.pdf
- https://cdn.shopify.com/s/files/1/0438/1540/3677/files/14344005555.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000169c6.bin0727529401fe802ed9d02ac4b3bed84f53da9d0a5838f1dab7fe2f7579417e88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169C6 | 1696 bytes |
font_01_sfnt_off000171f0.bin105e6cb8522dde87780f13615f2a0e584c6d5401f5b144560ea3de619da2362f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x171F0 | 5428 bytes |
font_02_sfnt_off0001844f.bin6fa5aff9e23a5914db74b8eb66e5f618d1f43b73dd04c1b70a4f1d4f0416d79e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1844F | 12408 bytes |
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