MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with the primary link directing to a known malicious redirector. The document body, though corrupted, contains text related to 'annual income certificate pdf' and the malicious URL, suggesting a phishing lure. The ML classifier strongly indicated maliciousness. No scripts were extracted from this sample.
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=annual+income+certificate+pdf
- http://bafep.naturalsforthenaturals.com/uploads/1/3/1/1/131164211/50c2d4a.pdf
- http://files.avayoga.com/uploads/1/3/1/4/131453665/d5f83ff7057bb.pdf
- http://files.heartdoghealth.org/uploads/1/3/1/0/131070560/segajavogedutevudiro.pdf
- https://cdn.shopify.com/s/files/1/0427/3537/0407/files/65932487377.pdf
- https://cdn.shopify.com/s/files/1/0432/0336/2975/files/6908891391.pdf
- https://cdn.shopify.com/s/files/1/0452/6351/9906/files/jorge_basadre_biografia.pdf
- https://cdn.shopify.com/s/files/1/0430/5177/8202/files/98649657396.pdf
- https://cdn.shopify.com/s/files/1/0438/4954/7938/files/arbol_de_decisiones_administracion.pdf
- https://cdn.shopify.com/s/files/1/0440/4854/8005/files/butter_making_process.pdf
- https://cdn.shopify.com/s/files/1/0437/2506/2298/files/bejoxupo.pdf
- https://cdn.shopify.com/s/files/1/0432/3934/2247/files/oxford_discover_5_workbook_answers.pdf
- https://cdn.shopify.com/s/files/1/0432/8249/7700/files/atlas_al_quran_bahasa_indonesia.pdf
- https://cdn.shopify.com/s/files/1/0432/9511/3374/files/john_wayne_gacy_jr_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0427/5542/4423/files/examen_auxiliar_administrativo_comunidad_de_madrid.pdf
- https://cdn.shopify.com/s/files/1/0430/3749/1357/files/1799110474.pdf
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/45325155838.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_off0000610f.bin84458e14cfc5d3d5417ce8bf6150b09714fc3a26fb418b7bd5bb07793f919489 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x610F | 5112 bytes |
font_01_sfnt_off00007250.bin978001e4ebbc32d0c4463da1eab41201ef9636e627d62cfa3df994662d5d1f43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7250 | 10012 bytes |
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