MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to disposable domains, indicating a link farm designed to redirect users to potentially harmful content. The presence of external URIs and the 'link farm' heuristic strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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 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://archism.ru/uplcv?utm_term=how+to+remove+touchwiz+home PDF link annotation
- http://trongtinpc.com/luutru/files/sipidokusarofiw.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/kabovesedelogomelibog.pdfIn PDF document text
- http://noavarservice.com/ckfinder/userfiles/files/33466122218.pdfIn PDF document text
- http://bangladeshceramicsociety.com/uploads/editor/files/24924040238.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/wejokufakaruwuro.pdfIn PDF document text
- https://khoahoc.timviec365.com/picturesfiles/bozapivozevodojatok.pdfIn PDF document text
- https://santehsevast.ru/userfiles/files/benimuvikubalu.pdfIn PDF document text
- https://12tiga.com/contents/files/puxetezuwafesarimibi.pdfIn PDF document text
- https://saksisan.com/upload/ckfinder/files/puwuxokenebapej.pdfIn PDF document text
- http://viral-list-machine.com/ckfinder/userfiles/publics/files/87157685258.pdfIn PDF document text
- http://lobi.md/userfiles/file/dutudazasogasadap.pdfIn PDF document text
- http://phupmirpol.pl/userfiles/file/63459324116.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/88607963812.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/xudedu.pdfIn PDF document text
- https://kfmaccounting.com/webroot/img/content/files/1547234645.pdfIn PDF document text
- http://pioneerbuzz.net/userimages/98771397878.pdfIn PDF document text
- http://mondoacquapiscine.com/userfiles/files/wobegazurinu.pdfIn PDF document text
- https://netiko.ge/img/Data/file/31414418554.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161409058e982d---vitafupipulixapati.pdfIn PDF document text
- https://littleitalypizzany.com/nbloom/fckuploads/file/54674988551.pdfIn PDF document text
- http://kxxbs.com/uploadfiles/file/a/45616895652.pdfIn PDF document text
- https://svetplus.com/userfiles/files/9760757965.pdfIn PDF document text
- http://cwpni.com/userData/ebizro_board/file/41552040245.pdfIn PDF document text
- https://immo-macedo.lu/userfiles/files/fixejiseninujapakizipofe.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/92794751631.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://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_off0000b983.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB983 | 10316 bytes |
SHA-256: 1b8ee03264d6001bd99e5683571037beb16158c61cd6a1b0ad3877bd09e02367 |
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font_01_sfnt_off0000d0d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0D1 | 15848 bytes |
SHA-256: 08306bc751375761d1ec2ada823a1d0b35ae8189a5deab1dda48e00f72da7629 |
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font_02_sfnt_off0000f905.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF905 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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