MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, characteristic of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://vivo-mebel.ru/upload/file/bajevomezowojijugus.pdf In PDF document text
- https://dawnraytech.985.tw/data/file/userfiles/files/muromepopone.pdfIn PDF document text
- http://asupuro.com/user_data/image/file/19618962257.pdfIn PDF document text
- http://abwalabamaave.com/uploads/files/niliwesikalokafujebuziv.pdfIn PDF document text
- http://immobiliareborghi.com/userfiles/files/58557848390.pdfIn PDF document text
- http://www.examnotice.in/uploads/files/durelotoguluketisu.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/88404681980.pdfIn PDF document text
- http://chromavials.com/d/files/33143413208.pdfIn PDF document text
- http://yishiweb.com/upfiles/files/20210916_145024.pdfIn PDF document text
- https://nakipoglugroup.com/upload/ckfinder/files/1935081995.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/161384f7170ce3---mudizamime.pdfIn PDF document text
- http://cioccolatogallucci.it/userfiles/file/gilerunifasagowet.pdfIn PDF document text
- http://maksimetall.ru/files/41477976817.pdfIn PDF document text
- https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/16869586704.pdfIn PDF document text
- http://solarwindependence.com/ckfinder/userfiles/files/47029730445.pdfIn PDF document text
- http://icltindia.in/userfiles/file/24540707388.pdfIn PDF document text
- https://alebusph.centralcms.cloud/galeria/files/43612637336.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16136586325188---88426012760.pdfIn PDF document text
- http://brenderup.ro/mm/file/71110621107.pdfIn PDF document text
- http://naszemotyle.natura2000.pl/imgturysta/files/jovadolomuxawedilitavezeb.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc66618117---getudezibemulu.pdfIn PDF document text
- http://daming-school.com/userfiles/file/11551550602.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/j8go58vv73tarsf004igjovvm5/tutivemokawiwewexu.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/dujukuzidojowobi.pdfIn PDF document text
- https://reklama71.ru/upload_picture/sapubuvomibokawura.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=club+android+mobilePDF 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_off0000da7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA7F | 10416 bytes |
SHA-256: 3f88b6aa30a44c3a2b55131acf5ff043b772a91cade66499ce51a124c31c3f01 |
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font_01_sfnt_off0000f1f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A0B | 17928 bytes |
SHA-256: 86f5c5e21369b4b78f52b1fe0ba768acff761bfed634eece1206ef8aaf42c2fb |
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