MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many pointing to suspicious domains, and exhibits characteristics of a link farm. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate attempt to manipulate search engine results or distribute content through a network of disposable hosts. While no scripts were explicitly extracted, the nature of the embedded URLs and the link farm heuristic suggest a potential for further malicious activity, such as phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://qdsenfeng.com/data/files/51443878286.pdf In PDF document text
- http://naplesredeals.com/userfiles/files/zubajexuradobila.pdfIn PDF document text
- http://bellamy.tw/uploads/files/202109091757452177.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/10214799334.pdfIn PDF document text
- https://dhesient.com/media/15640553360.pdfIn PDF document text
- http://jshanwoo.com/ckfinder/userfiles/files/giviwidetezegez.pdfIn PDF document text
- http://gryfarmerskie.pl/pliki_wyswig/files/vowomove.pdfIn PDF document text
- https://threadworx.com/thread/admin/uploads/file/38025852238.pdfIn PDF document text
- http://mobilahomedesign.com/userfiles/files/88641216552.pdfIn PDF document text
- http://njxinbell.com/upload/files/moledifadijalotikopese.pdfIn PDF document text
- http://wmc21.com/ckupload/files/viwosodekemexitisib.pdfIn PDF document text
- http://hatowo.com/app/webroot/uploads/files/55643226193.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/38583636249.pdfIn PDF document text
- http://systemsbiology.at/uploads/assets/file/keniwirimami.pdfIn PDF document text
- http://bona-agra.pl/Upload/file/mojakevapaletavumerusezu.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3d6ecd050---gosavoluxevabakivubef.pdfIn PDF document text
- https://fetogram.ir/images/upload/files/forafareziwuloxedopedul.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/82240676944.pdfIn PDF document text
- https://dienhoanghean.com/upload/ck/files/zizorufitafin.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/15860332472.pdfIn PDF document text
- http://travellightnepal.com/userfiles/file/koxuvemom.pdfIn PDF document text
- http://inphuduong.vn/upload/files/semunuzodavurixizi.pdfIn PDF document text
- http://fuerst-architects.com/uploads/file/fasutapener.pdfIn PDF document text
- http://donghobaoan.com/uploads/files/gosuronotijur.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/3395474540.pdfIn PDF document text
- http://dienlanhtruongson.com/upload/files/dutenufarivaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+delete+photos+permanently+from+android+phonePDF link annotation
- http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/89071307110.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_off0000d236.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD236 | 17324 bytes |
SHA-256: 204201bc9b2a91061366cf19f5ba7c5b2425ea4135772853f765f290d8e33904 |
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font_01_sfnt_off0000fec5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC5 | 10952 bytes |
SHA-256: 6e932865cb462591e10896e6aa67cc8320685641813ec581e7b7d0e5d1886143 |
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font_02_sfnt_off00011802.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11802 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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