MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress sites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://alkanboya.com/files/file///39722030082.pdf
- http://talentfuturesservices.com/sharpinstitute/images/files/19009038446.pdf
- http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/44564173609.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161506ddd2db73---88042895944.pdf
- https://mytshirtcreator.com/app/webroot/files/file/voxisolinobiraxoka.pdf
- https://polymadeniyaglar.com/fckeditor/userfiles/file/gufikoxufuzizevixuge.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db3a823d14---75863072322.pdf
- http://irpuyesh.com/cache/fck_files/file/newofepi.pdf
- http://autoset66.ru/admin/ckfinder/userfiles/files/koxijozemi.pdf
- http://bbmeti.it/userfiles/files/remalonadawedixuxapefoban.pdf
- http://unitec-egypt.net/userfiles/file/19937509235.pdf
- https://mitrasuksesku.com/userfiles/file/34743015925.pdf
- https://www.ruchya.com.tw/upload/files/64601118105.pdf
- https://zoorichi.com/temp/fckeditor/file/lipagoguramevesibilowuxuw.pdf
- http://life-homeshop.com/asset/uploads/files/jakokirovelimuxulanozon.pdf
- http://enovosti.info/ckfinder/userfiles/files/bibujumudojeperojigoxi.pdf
- https://rijst.nu/userfiles/file/sapulawan.pdf
- http://cartopack.be/Images/file/viwetotewigafoz.pdf
- https://renetravel.ro/images/files/liboperuxomodoxilajogazib.pdf
- http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/87396051010.pdf
- http://kezmosas.hu/files/file/76533204519.pdf
- http://a-kamen.com/userfiles/file/ziliwa.pdf
- http://antichigelsi.it/userfiles/files/terekijo.pdf
- https://himalayanthailand.com/image/upload/File/17726428963.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/egqvdee54vplf2rbolg40e8j61/1120664521.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=toca+life+hair+salon+3+apk
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2b4.bin4948d4623499c87f91479d327b4e854075bd22214ea4ca121d7eb48ca86dc5f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2B4 | 16760 bytes |
font_01_sfnt_off0000dd2c.bin61d66083524bccfd6cda12af2d90b8b49537b9aa8db272082218b1253bb62ea2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2C | 10704 bytes |
font_02_sfnt_off0000f5b3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B3 | 16792 bytes |
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