MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing further malware. The embedded links, such as https://vaputonusodi.weebly.com/uploads/1/3/4/4/134493057/fufif.pdf, are indicative of this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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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://maypoin.ru/123?utm_term=anne+mcclintock+imperial+leather+summary PDF link annotation
- https://vaputonusodi.weebly.com/uploads/1/3/4/4/134493057/fufif.pdfIn PDF document text
- https://cdn.sqhk.co/businaxidare/jdYyFie/gangs_of_london_cast_episode_3.pdfIn PDF document text
- https://wavujosivisero.weebly.com/uploads/1/3/2/7/132740585/4778490.pdfIn PDF document text
- https://cdn.sqhk.co/mojekuvugise/dyhjK5f/batteries_plus_campbell_springfield_mo.pdfIn PDF document text
- http://profaudit32.ru/paselelagasotutapemu4f1t6.pdfIn PDF document text
- http://leoidet.xyz/night_of_the_iguana_cast_london_20192swyh.pdfIn PDF document text
- https://cdn.sqhk.co/kekotenonaxu/idrhaM9/vudamuxo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494883/normal_5fe25e7f6f347.pdfIn PDF document text
- https://naforuzutexas.weebly.com/uploads/1/3/1/4/131438024/9090995.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467571/normal_60344ce126ff5.pdfIn PDF document text
- https://dowevatubewud.weebly.com/uploads/1/3/4/9/134901186/6235636.pdfIn PDF document text
- https://cdn.sqhk.co/bipuzojafa/Ig7Hejj/gokirogojuxudula.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475738/normal_603aa9b74de3c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387713/normal_600d5f0d3c18a.pdfIn PDF document text
- https://sefatepasegul.weebly.com/uploads/1/3/0/7/130775173/1911084.pdfIn PDF document text
- https://cdn.sqhk.co/dikozogub/95ef8ii/flashlight_lyrics_pitch_perfect.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/remuv/bilirubin_metabolism_and_jaundice.pdfIn PDF document text
- http://renubinivudeti.epizy.com/clumsy_ninja_mod_free.pdfIn PDF document text
- http://fudinurozoxesa.rf.gd/2018_amc_10a_solutions.pdfIn PDF document text
- https://s3.amazonaws.com/vuzufexarevima/55770861642.pdfIn PDF document text
- https://s3.amazonaws.com/pujirageg/opera_mini_browser_4._2.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_off0001453c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1453C | 5328 bytes |
SHA-256: 7bc105f5218b7d544ce1a616a0dcfc4b146cd5d58437ade29c8689e47fd28350 |
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font_01_sfnt_off00015733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15733 | 11036 bytes |
SHA-256: 679f9b685fa5be45b312a321ea0b55c65adbb6da13126a67f7b2d538d375da47 |
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