MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many hosted on disposable domains or link farms, suggesting a tactic to distribute further malicious content or manipulate search engine results. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDFs from web content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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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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://zuxadozi.weebly.com/uploads/1/3/4/6/134662888/8761527.pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4383146/normal_6012d3d3c291e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420260/normal_5fe1d4dca0892.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481064/normal_605de0fbb4060.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423171/normal_602652b4e1abe.pdfIn PDF document text
- https://rogetaguw.weebly.com/uploads/1/3/1/4/131407632/4158905.pdfIn PDF document text
- https://basivuto.weebly.com/uploads/1/3/4/6/134646412/gugudixujifixewe.pdfIn PDF document text
- https://bobifadilow.weebly.com/uploads/1/3/5/2/135295989/ninivuw.pdfIn PDF document text
- https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/mesepon_zitepo_sitikozamom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381547/normal_6024297a0e427.pdfIn PDF document text
- https://bixagitiwor.weebly.com/uploads/1/3/4/6/134618264/835a05da.pdfIn PDF document text
- https://turonobofudub.weebly.com/uploads/1/3/4/4/134463989/nozavojezitoxep_vaxer.pdfIn PDF document text
- https://gixeroparot.weebly.com/uploads/1/3/4/5/134586235/1168372.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478716/normal_600d553067414.pdfIn PDF document text
- https://vanewuzopawibo.weebly.com/uploads/1/3/0/8/130814706/a2c0fd8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/bVCGPfG74RQ/wb?keyword=brandy%20norwood%20top%20songsPDF link annotation
- https://s3.amazonaws.com/xeroguru/majobasazabijebedod.pdfIn PDF document text
- https://s3.amazonaws.com/davawina/terijuzetawaxo.pdfIn PDF document text
- https://s3.amazonaws.com/xalexojaxipud/vivov.pdfIn PDF document text
- https://s3.amazonaws.com/lanaladu/tebiresizebe.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E6 | 5340 bytes |
SHA-256: baaade1c0fe8330a7d8ff17d6e99795e75ca6ffd1e8338d96e44a1d10905d8f2 |
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font_01_sfnt_off00010938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10938 | 10948 bytes |
SHA-256: 5ad35c80bb8af84b32cc25b65152729ab3e971a31dc08bea8745d5ca9d457c8f |
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font_02_sfnt_off00012ecf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ECF | 16204 bytes |
SHA-256: 6ff35bbcdef839a823e086214e5d609f702bf6b4484614f6c4b824d32b7fcc76 |
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