MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to potentially malicious redirectors or link farms, as indicated by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' heuristics. The ClamAV detection and ML classifier further support its malicious nature. The embedded URLs are likely used to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://gettraff.ru/strik?utm_term=examples+of+sensory+details+in+the+pit+and+the+pendulum
- https://cdn-cms.f-static.net/uploads/4391037/normal_5f90f2f1d4a51.pdf
- https://cdn-cms.f-static.net/uploads/4380876/normal_5f909dddd6f5e.pdf
- https://cdn-cms.f-static.net/uploads/4376609/normal_5fbe8a5f79de3.pdf
- https://gaturavokig.weebly.com/uploads/1/3/4/3/134317265/c9755a.pdf
- https://fidegobopoj.weebly.com/uploads/1/3/2/8/132815019/bixipepeg.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/potofaw/openoffice_templates_invoice.pdf
- https://s3.amazonaws.com/limewub/tepotituvojogudinoripebup.pdf
- https://s3.amazonaws.com/nowokil/tufasegivibisizam.pdf
- https://s3.amazonaws.com/juvetaso/restraining_order_nj.pdf
- https://s3.amazonaws.com/fujadabez/itunes_for_mac_os_x.pdf
- https://s3.amazonaws.com/giwurode/1-99_crafting_guide_2019_rs3.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_off0000c655.bindc4b9e8d5520beb031aa4ab67864e5c47aa92b06a0b0ebafbd6cb8e901badb64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC655 | 5408 bytes |
font_01_sfnt_off0000d89f.bin159b85c9eb0e692d037d772f117d7918caa702c8d1457b874d4e8027fabdd4ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD89F | 9776 bytes |
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