MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload storage locations and other disposable hosting. These links likely serve as lures for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://byocamacho.com/ckfinder/userfiles/files/3648191164.pdf In PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/6e4263d4dac10984b071ea4f7e1f1394/71706347826.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/3955826748.pdfIn PDF document text
- http://gruppocreta.com/userfiles/files/woxidesalivemubonubale.pdfIn PDF document text
- https://mygenius.ru/admin/ckfinder/userfiles/files/62216701677.pdfIn PDF document text
- https://soudureornementalelauziere.com/upload/editor/file/rolelanexibusiwaweto.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/wolenosejaparokel.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb62a0ef05---37581352846.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338790c2398---15362590170.pdfIn PDF document text
- https://mt-creativestudio.com/ckfinder/userfiles/files/xefemaragelojalefadadiso.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/12296912891.pdfIn PDF document text
- http://hoanhaochemical.com/uploads/files/vegewopaditu.pdfIn PDF document text
- http://franceplus.fr/userfiles/file/11061482431.pdfIn PDF document text
- http://bibliotekaludwin.pl/img/upload/files/17261307582.pdfIn PDF document text
- https://strings97.hu/userfiles/file/99353883850.pdfIn PDF document text
- http://www.iece.in/userfiles/file/pajopajemomitolabafuxad.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/35234672525.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021091908000213.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/95135798076.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/27451936396.pdfIn PDF document text
- http://www.juthamasclinic.com/upload/finder/files/33121165463.pdfIn PDF document text
- http://zehanbiopharma.com/upload/files/webigipomot.pdfIn PDF document text
- http://bjaimama.com/data/upload/2021/09/file/202109190736097505.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=descargar+satfinder+pro+para+android+gratisPDF 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_off0000c720.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC720 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF37 | 10752 bytes |
SHA-256: 158b676d2d76660ad344e6807fd7c3465b8f34e7f83653ad8ef7d6dd059e1377 |
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font_02_sfnt_off0000f7de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7DE | 19716 bytes |
SHA-256: 2ccc5809fecce6d23c78bc60243e236d13467cf3277304521c872f897995be8b |
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