MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that form a link farm, a common tactic for directing users to malicious sites. Heuristics indicate these links are hosted on disposable or compromised domains, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 https://synerhu.ru/uplcv?utm_term=nonstop+mod+apk PDF link annotation
- https://reitinguok.lt/userfiles/file/jarovamozax.pdfIn PDF document text
- https://toppelletmachine.com/d/files/17946191737.pdfIn PDF document text
- http://likebarcode.com/image/files/20210906_223309.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/jovivoxavomikel.pdfIn PDF document text
- http://styropapex.pl/userfiles/file/gufufitoresazedemupo.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/tinete.pdfIn PDF document text
- http://rintoyo.com/userfiles/file/27836375560.pdfIn PDF document text
- https://eghamatsafar.ir/basefile/eghamatsafar/files/85612284293.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/pezolofagavabas.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/90786263328.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/80997990591.pdfIn PDF document text
- http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vimuxudunuvetizinopurunet.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/531b21acf3c3fce8ac986b6c084185b7/xegiveg.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16138a974adf6f---92716905783.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffc5702b93---62690895801.pdfIn PDF document text
- https://pmsp-me.com/userfiles/files/rekemutamamuwarikebot.pdfIn PDF document text
- http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/5944908939.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/femuwefepixekimujato.pdfIn PDF document text
- https://bednidhitraders.com/userfiles/file/fotemawazuxaxivigulepuw.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/rezerad.pdfIn PDF document text
- http://parkety-patemal.sk/files/file/90023560078.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_off0000d343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD343 | 19504 bytes |
SHA-256: 7ffa41839e015c60d70944fe0398b743b4efc0ad7e0f79b6818d735d37a39d47 |
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font_01_sfnt_off0001065a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E71 | 10252 bytes |
SHA-256: 53c3c86ad9689377e571ad7e5433390190e99f0b12a6e4eec34f8b01651e5cc8 |
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