MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with a high ML score and ClamAV detection indicating malicious intent. The embedded URLs, such as http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161456b6e8bf3f---55550992733.pdf, point to potentially compromised hosting, suggesting the document is designed to redirect users to malicious sites. The document body was unreadable, but the heuristics strongly indicate a phishing or malware distribution attempt.
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://kondicionery-domodedovo.ru/upload_picture/file/19821615730.pdf In PDF document text
- http://wixoon.hu/upload/file/jifipizemuruv.pdfIn PDF document text
- http://amoy-art.com/Upload/file/mibenivu.pdfIn PDF document text
- https://affordans.com/ckfinder/userfiles/files/47370686876.pdfIn PDF document text
- http://enewind.com/pliki/file/zajesarepabivoxisavefilup.pdfIn PDF document text
- https://mysilofr.mysilo.com/upload/ckfinder/files/95264418157.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161456b6e8bf3f---55550992733.pdfIn PDF document text
- https://interstudy.net/userfiles/file/21657206195.pdfIn PDF document text
- https://teamcode.net/upload/files/91289475038.pdfIn PDF document text
- https://dodatkireklamowe.pl/web/uploads/files/96317517999.pdfIn PDF document text
- http://stroi-sistema.ru/img/vopofuwosado.pdfIn PDF document text
- https://rumusjitu.com/contents/files/68052462240.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16138da3751c1e---vevowomotoveselojizabojom.pdfIn PDF document text
- http://klpa.net/userData/board/file/gevawasenowerasi.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/tojes.pdfIn PDF document text
- https://edouardweil.com/userfiles/file/4902720124.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150fa3ce699e---28096250032.pdfIn PDF document text
- http://ombs.ru/uploads/files/kipituzepuv.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/wodexemirabawakege.pdfIn PDF document text
- http://boldogelet.hu/media/96452092202.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/6f426e3d724acfd9eadf5937bfd8a162/24293929783.pdfIn PDF document text
- https://perfecthospitals.com/ckfinder/userfiles/files/bosoziragagowanekadupox.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141dab34a0fa---fakifirujavupevijon.pdfIn PDF document text
- http://sbsinternationalschool.org/userfiles/file/tepetefavuloloniw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=skateboard+cheat+in+gta+san+andreasPDF 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_off0000b3cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE2 | 10908 bytes |
SHA-256: 7f32584af64778b26881d6eae747759487e252a2286cc91027fdbb22f5219523 |
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font_02_sfnt_off0000e4d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4D8 | 15648 bytes |
SHA-256: fe6f656667fce2bf095d7bb2177813a3e2d602a98a3791f647e08a838d0eaf5c |
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