MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URIs, many of which point to disposable domains and are structured as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights the nature of the links, suggesting a tactic to obscure malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://tochuchoinghi.org/files/29622299280.pdf In PDF document text
- https://sheenabusesandcoaches.com/userfiles/file/98333661788.pdfIn PDF document text
- http://ekvatorbl.com/userfiles/file/filesekawopererifu.pdfIn PDF document text
- http://prime42.ru/userfiles/files/lerugepifefopusin.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/fepixupodakifunamiveli.pdfIn PDF document text
- http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/88439304101.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/sunikubazofivotumunurujex.pdfIn PDF document text
- https://paklya.su/design/img/upload/file/janosazitozo.pdfIn PDF document text
- http://www.asiacoservice.com/file/files/zizopapaxew.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/68845658634.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613240bab8863---82500245318.pdfIn PDF document text
- http://sgyscom.com/upload_fck/file/2021-9-5/20210905060019692053.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///2021091004831_287084863.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/wakikopeg.pdfPDF link annotation
- https://pharma-tools.pl/galeria/file/83012993423.pdfIn PDF document text
- http://suamanhinhlcd.net/userfiles/file/71250721333.pdfIn PDF document text
- http://www.vnv.nu/admin/library/ckfinder/userfiles/files/82389764604.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311f55703fe---zebolap.pdfIn PDF document text
- http://titadoorbinhduong.com/upload/files/dojafuvojotumejitukagepu.pdfIn PDF document text
- http://teplolux72.ru/upload/file/65590186730.pdfIn PDF document text
- http://kayapalinakliyat.com/file/wexixadepanesaw.pdfIn PDF document text
- http://handgun.ee/media/file/babovotuzeva.pdfIn PDF document text
- https://granitabrasive.ro/editor_up/fepumibi.pdfIn PDF document text
- http://slesnick.net/userfiles/files/zupogufavu.pdfIn PDF document text
- http://cuacuonnhanh.vn/Images_upload/files/97697378789.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/40383867115.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=free+ui+kit+for+androidPDF link annotation
- 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_off0000ce07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE07 | 10304 bytes |
SHA-256: b842375df40a32d7552958275b1edcb008918f7f614827d575ed518e0e6ee5c1 |
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font_01_sfnt_off0000e558.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE558 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD6A | 17056 bytes |
SHA-256: 4f896c31eed67e4277eb43a23aff50d2178c0249d24d67b71503869ea6b54eee |
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