MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, indicating a link farm designed to redirect users. Heuristics and ML classification strongly suggest malicious intent, with ClamAV identifying it as a phishing trojan. The document body is unreadable, but the presence of multiple external URIs and compromised CMS upload links points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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 https://asesoriagade.com/app/webroot/files/files/fuxovirigikek.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efe8bf5692d---62702289141.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/75331306d3d254d705e6695b0d23d901/jabovewadolozapuno.pdf
- https://netiko.ge/img/Data/file/41604409403.pdf
- https://perfecthospitals.com/ckfinder/userfiles/files/latamadegexelobakisam.pdf
- https://quizai.com/uploads/files/82530124682.pdf
- http://edallyshop.com/upload/files/misisokokafasifedevu.pdf
- http://minerva-collection.net/files/files/27455418136.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/491d13ebbb2fa7aa16d58e1bfb054659/pokotuzamorerojatet.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b38cdcd9259ffe724a770e729710ffb2/dizawajewivuru.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/n2qn02de1lrjlq98fhbahe793t/71192887762.pdf
- http://wienbildarchiv.com/upload_files/files/46894747394.pdf
- http://hizirferforje.com/admin/fckeditor/editor/images/file/86397582752.pdf
- https://booknowrentalimo.ch/userfiles/files/18110056010.pdf
- http://kfbma.org/files/fck/file/43502946989.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117b5f78d604---70478890709.pdf
- http://madveras.com/ckfinder/userfiles/files/93299488160.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608be5ccf153f---94389584392.pdf
- https://knurussian.kr/DATA/upload/files/202108231614015541.pdf
- https://ventadeterrenosurbanos.com/userfiles/file/xatobokizodidarimoxipariv.pdf
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090878b59605---93392914059.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=cooperatives+in+kenya+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_off0000c4a6.bin227ceafbc3fb1cb3176186509cd91153cc74ae0da47dec7b48ed35897e739653 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4A6 | 18576 bytes |
font_01_sfnt_off0000f48f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF48F | 16792 bytes |
font_02_sfnt_off00010ca6.bin3a68b3b643bb863a77e936786551bd8f243141d208a4749eef4996560ccacaf1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA6 | 10748 bytes |
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