MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The presence of multiple PDF link farm heuristics points towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://karpatskiles.ru/store/files/81692862901.pdf In PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae06c75ff1a---79884064208.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/be35c028a7a39b1e5f88afdd6b178804/63349543037.pdfIn PDF document text
- http://ambvetbrashersclavoghisu.eu/userfiles/files/wikuwifijipem.pdfIn PDF document text
- http://k1a.ru/images/files/file/15445575863.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a75a430b322---jegewezakusubemekalikaxo.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a9814f30b9a---39905277708.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/43861903492.pdfIn PDF document text
- https://gs-hemeringen.de/ablage/userfiles/files/debirasozaf.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/d0d3bb72f2f3320bb6dcaad9160f1593/wibulumawejividuta.pdfIn PDF document text
- https://www.crpm.ch/ck/ckfinder/userfiles/files/99677526762.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/9206j213une05vonlg9ljaivrp/lekijagazo.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6d9c0a369---juzisojisokeluwusureni.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a6394ac50f9---madojozujirafesukupaza.pdfIn PDF document text
- http://bsbcarpet.com/userfiles/file/5450311783.pdfIn PDF document text
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/0nfv2qdm3b6ihp9b5uel9qh9tl/70034863721.pdfIn PDF document text
- http://rheumatology.institute/upload/content/file/tonisarajexowegi.pdfIn PDF document text
- https://cihangirhotel.com/upload/ckfinder/files/93543453038.pdfIn PDF document text
- http://rivieahk.com/clients/5/51/51325344bd1517f257d6959d5350918e/File/zezup.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/3df887589c45d5fa75d7aff4f247e19f/bixugugemo.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/pakolevumol.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/sogegafuzipedaxiwelomeviw.pdfIn PDF document text
- http://secretlove.ch/ckfinder/userfiles/files/mibalabo.pdfIn PDF document text
- https://www.naabelectric.com/userfiles/files/90560164319.pdfIn PDF document text
- https://bandotrading.com/uploads/file/64915137408.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=edhesive+unit+1+quiz+2+answersPDF 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_off00010ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000124f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124F9 | 10792 bytes |
SHA-256: 3fa469b03d7b52f832f92a71136e097c2521eab02afc9eb9221405cd224b716c |
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font_02_sfnt_off00013dc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DC2 | 18152 bytes |
SHA-256: 0e4556cb02ebc8ff1c10ee99ba380ef5571a35b92f2d7a838bef445e90f7fdf4 |
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