MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file exhibits characteristics of a phishing or malware distribution lure, as indicated by the 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics. It contains a mass of external links, many hosted on disposable domains, suggesting an attempt to redirect users to malicious sites. The presence of a malformed exploit stream and the callback phishing lure heuristic further support the malicious intent, likely to trick users into clicking links or calling fraudulent numbers.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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External URI info PDF_URIPDF contains an external URL action
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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://traffnew.ru/wb?keyword=bein%20sports%20directv PDF link annotation
- https://xemamipu.weebly.com/uploads/1/3/0/8/130813095/ffbe4c58b1b30e.pdfIn PDF document text
- https://bubixoduxufito.weebly.com/uploads/1/3/1/0/131070588/20b57de6c3525e.pdfIn PDF document text
- https://wosiwimobej.weebly.com/uploads/1/3/1/1/131164223/zudamef_pumasiv_lipeke_wilirekim.pdfIn PDF document text
- https://lusogovo.weebly.com/uploads/1/3/4/3/134358567/gaditanopatinet.pdfIn PDF document text
- https://fasepilof.weebly.com/uploads/1/3/1/1/131163931/xubafubuvolig.pdfIn PDF document text
- https://nabisipiguges.weebly.com/uploads/1/3/4/4/134432296/4937290.pdfIn PDF document text
- https://site-1168513.mozfiles.com/files/1168513/tofitufasofojadonajibam.pdfIn PDF document text
- https://dusuwepi.weebly.com/uploads/1/3/4/5/134589125/971913.pdfIn PDF document text
- https://site-1174999.mozfiles.com/files/1174999/demevozumuvike.pdfIn PDF document text
- https://site-1176001.mozfiles.com/files/1176001/25801765831.pdfIn PDF document text
- https://tixaradizu.weebly.com/uploads/1/3/4/6/134652762/418e83386d6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366653/normal_5fc2d5a24c777.pdfIn PDF document text
- https://nopifabuda.weebly.com/uploads/1/3/4/6/134693299/pepekuzuribad_liduzezubu_dodigotas.pdfIn PDF document text
- https://rugezanuw.weebly.com/uploads/1/3/1/4/131483337/xexatalogetutukuxune.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/likadojivivofu/brabantia_bin_liners_size_guide.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e464.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE464 | 4936 bytes |
SHA-256: 167201b7b97ce20b4d85cc2b40f10716ed6de587721f6575bda880703d28b169 |
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font_01_sfnt_off0000f547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF547 | 11412 bytes |
SHA-256: 18b61fba402db6645c948f7e9c98021a37cdb35a5c22d434beb12a8dbc5e4606 |
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