MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were extracted, the structure and URL patterns are consistent with a link farm designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://esoftland.com/userfiles/file/60528378110.pdf
- http://casier-a-bouteilles.fr/file/pufese.pdf
- http://lapenya.cat/imgjovesnaves/file/rabomus.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608504c2b070d---givewolegoku.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1609881cbc29c4---xoroxozinosizolisom.pdf
- https://uleshuzataruhaz.hu/files/file/kokenotonumeguludanufo.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080cb92a7d79---14472869070.pdf
- https://luminex.pl/upload/file/laropuditujagopakedot.pdf
- http://catgarner.com/clients/873270/File/4742186907.pdf
- http://cityhighclassof77.com/clients/9/9e/9ea685038b5a197d2022a69b8c6b162a/File/16229569010.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607e73116616f---tegujal.pdf
- http://prosquash.by/data/19730326215.pdf
- http://beerskiboot.com/img/upload/file/49150376467.pdf
- http://asea-admin.com/_userfiles/file/20210508223135.pdf
- https://vntdc.com/upload/fck/file/ditiw.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077d146cac2a---legujixegefatetizase.pdf
- http://pnktools-th.org/ckfinder/userfiles/files/wojexi.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/7tk7a70ugstjorm73n5bmumv64/51027004971.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a4545d718---7609890845.pdf
- https://luminex.pl/upload/file/48516942307.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aaadf82cec6---72793929370.pdf
- https://nanosoft.mn/images/content/File/jedovatorom.pdf
- https://jooli.ru/ckfinder/userfiles/files/83583822770.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=project+communication+plan+example+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_off0000e4a7.bin61fe7b3dc2c2bd83fbfcc6552fd79e28c954b67dabe6820be0bd17778da83e3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A7 | 16816 bytes |
font_01_sfnt_off0001101a.bin4668a0677b6aed45f37b23a52fee54fd4acbcbf21822fa7fda6cb0062c60cc27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1101A | 10944 bytes |
font_02_sfnt_off00012971.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12971 | 16792 bytes |
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