MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the PDF structure itself are indicative of a phishing or malware distribution lure, likely attempting to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://philabc.ru/uplcv?utm_term=ps4+apk+for+android PDF link annotation
- http://studioboscono.it/userfiles/files/14651270761.pdfIn PDF document text
- http://footstepfloor.com/upfiles/files/49441464832.pdfIn PDF document text
- http://king-pro.com/userfiles/files/52248061069.pdfIn PDF document text
- http://smirna.pl/files/file/lukejimog.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411bf518fd6---90444710320.pdfIn PDF document text
- https://eagleegg5k.com/ckfinder/triplebuserfiles/file/78580477697.pdfIn PDF document text
- http://pillshop.ru/uimg/files/194808645.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133275963fff---36882295462.pdfIn PDF document text
- http://ozdesignhouse.com/app/webroot/uploads/files/navotojozemezi.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/47939996511.pdfIn PDF document text
- http://aquaclub.hu/userfiles/file/29974657199.pdfIn PDF document text
- http://bkm-market.net/userfiles/file/nuzorulosojofedulifu.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/16957688935.pdfIn PDF document text
- http://purel-biopharm.com/upload/files/xozobijixuferevis.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/2131a4999b221a2dbe9faefae2617c76/50559259285.pdfIn PDF document text
- https://dailyiat.com/html_upload/file/45525222302.pdfIn PDF document text
- http://orthopediedelft.eu/files/96224656349.pdfIn PDF document text
- https://u15.ch/ckfinder/userfiles/files/bifafabigerebewejaget.pdfIn PDF document text
- http://www.bash.cl/media/file/90544355982.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/wowaranesijo.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/doranakaxovi.pdfIn PDF document text
- http://djpress.pl/Image/files/61022807738.pdfIn PDF document text
- http://spec-so.ru/sites/default/files/file/rajixobedizazeb.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_off0000daee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f305.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF305 | 10388 bytes |
SHA-256: 85fa00b267372f478bb462faacea28362cf21ecb5b2eb25762213ab810e323c5 |
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font_02_sfnt_off00010aa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA2 | 18324 bytes |
SHA-256: 5427ecb80cf9c29c402183356ac526145d5fe22f7e27063c0192202c60284abf |
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