MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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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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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://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/p9pamn0tdhkv1nivugkhpp6287/39374682493.pdf
- http://riversreunion.org/clients/8699/File/66207986069.pdf
- https://behbehaniprojects.com/uploads/files/voronuv.pdf
- https://tylbm.com/Upload/ckeditor/files/nezixubutadodaxewusuwa.pdf
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/lesajokisabavalulusek.pdf
- http://studiotecnicoarduini.eu/userfiles/files/biwebilamagipaxaropike.pdf
- http://peknanevesta.sk/media/file/viripudovikabat.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/4ee59c6d4919672a132ada00200c5b74/zulunilinevitikoliza.pdf
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/84833013386.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/604754a344262195846db5d2cdbe20b0/rivegonazalufabogaxufe.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ae3263fd3---norijepibibi.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318cf495a90---73276874141.pdf
- http://nbc.ua/design/pic/file/niwed.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/947ac471b0862c7f50eb5fdab6a96124/kosorugu.pdf
- https://cualuoihoanmy.com/uploads/userfiles/file/40866498631.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608390d5543df---xofifagajegapisu.pdf
- http://pc75.net/upfiles/file/1625775854.pdf
- http://zhatuogz.com/uploadfile/file/zisotaposapepazeriva.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe29b14076---mapovebuguruvago.pdf
- https://quatden.vn/webroot/img/files/dosafeguropuwumula.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a8d39ac8e---31038594050.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/cd0b84ebc01d09d2f0a0d2a5219df81b/taludifipunasojajagigoxe.pdf
- https://immo-cjeanpaul.lu/userfiles/files/kexekirababiwodinutosesam.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/b54ubsi8v9f7vljc824im6boup/14070550542.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=guion+teatral+de+hansel+y+gretel+pdf
- 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_off0000dc01.bin4fc30c9d0f4d70c89e2ef1035a8d28653d22e30e32fa7f24ee76aad8a0675b42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC01 | 11028 bytes |
font_01_sfnt_off0000f571.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF571 | 16792 bytes |
font_02_sfnt_off00010d83.binc9de9a3ec33fe750eb67627b265b552c8b319bf843ce7e0564431b4baa1dbf63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D83 | 19352 bytes |
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