MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous embedded URLs that point to compromised CMS upload storage and disposable hosting, suggesting it functions as a link farm. These links are likely intended to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://philabc.ru/uplcv?utm_term=psw+d110+manual PDF link annotation
- https://rainbowfurnitures.com/files/files/sobeb.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/sefodoroka.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-5-1/20210501045531291719.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/pubifu.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/c192ghejaleplqt59noufd22k0/vemirapelofutaza.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1609865cba7293---71855996703.pdfIn PDF document text
- http://whippets-au.com/clients/7/7f/7f5032e15db821a993a8146895416847/File/21834230077.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e0772da69ae---86232167925.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/91237540343.pdfIn PDF document text
- http://konyaozgunmobilya.com/userfiles/file/dofokodaxemafowunama.pdfIn PDF document text
- https://aaaxxion.info/images/file/97344975481.pdfIn PDF document text
- http://mu-rrrc.com/userfiles/file/rafatinugudu.pdfIn PDF document text
- https://associazionemusicaviva.it/uploads/file/5544816155.pdfIn PDF document text
- http://xnucleus.com/members//member_images/files/bovowotakiduwefuraf.pdfIn PDF document text
- http://njnccualumni.com/clients/0/05/05b55d2c4c342460da0dc2f503861b12/File/15247912118.pdfIn PDF document text
- http://rubivina.com/Images_upload/files/74905217489.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/23603712470.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/98b8db00a01b9233e653f6d76ab4d80e/purajokumikafibe.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.com/upload/files/69146801281.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ce44e52fe---35496932312.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160dbec8fe28dc---govupaju.pdfIn PDF document text
- http://alfonsoguiggiarchitetto.it/userfiles/files/duvetijozumibijokuvuna.pdfIn PDF document text
- http://ourconn.com/userfiles/file/202108061437514501.pdfIn PDF document text
- https://balticstroy.com/uploads/files/timetalebafedi.pdfIn PDF document text
- http://jullien38.com/ressource/site-image/files/49488988304.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_off0000da86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF298 | 18092 bytes |
SHA-256: 0bb3b8ca7d5a564120750cc10b5b3b5fece0e59ec04dd7a37f4f05270931dd0a |
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font_02_sfnt_off00012172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12172 | 10228 bytes |
SHA-256: 11e393aaf029351b8daccb189e8e8e13960e7179df1b0616d2b64d914a2342ab |
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