MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with the primary link directing to a known malicious redirector. The document body, though corrupted, contains text suggesting it's an acknowledgement slip, likely a lure to encourage clicks on the malicious links. The presence of a link farm and a malicious redirector indicates an attempt to drive traffic to potentially harmful sites.
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=uidai+acknowledgement+slip
- http://ludikuze.weerkids.net/uploads/1/3/0/7/130775403/vunumulapoveli.pdf
- http://forexade.redsquirrelwine.agency/uploads/1/3/1/6/131606727/1aa7a9d.pdf
- http://files.natalieeskewfitness.com/uploads/1/3/1/4/131438018/3692387.pdf
- http://files.guamcocoscrossing.com/uploads/1/3/1/4/131483267/6c7e64864f906.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0428/2197/6220/files/famesuwakifelorerirojux.pdf
- https://cdn.shopify.com/s/files/1/0432/6037/9286/files/kufusesu.pdf
- https://cdn.shopify.com/s/files/1/0437/9354/7424/files/barbaric_rites_workout.pdf
- https://cdn.shopify.com/s/files/1/0430/7720/6178/files/gapagusatabuk.pdf
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/59122209682.pdf
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/19002739667.pdf
- https://cdn.shopify.com/s/files/1/0435/8340/6239/files/certificado_de_origen_ejemplo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25424470269.pdf
- https://cdn.shopify.com/s/files/1/0434/7016/0032/files/22656225802.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bf4.bin50e0624439a4e6360d9df776c17c83af2a47cc58a9e2a3d9b4f4b554c3a0b947 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BF4 | 5232 bytes |
font_01_sfnt_off00006dc8.bin4665130a834c70c0780d9cd8ffcdf43f66b92aa1bf47711f18a39bb973e5c65c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DC8 | 10012 bytes |
font_02_sfnt_off00009012.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9012 | 4324 bytes |
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