MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to host malicious content. The presence of embedded URLs and the overall structure indicate a lure to a potentially malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.8284
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2681acbd03---7268492350.pdf In PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d17a56d9c4---67597677991.pdfIn PDF document text
- https://osiindia.org/ckfinder/userfiles/files/lorogizadutulaxav.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/3ipir7j8mpoakvde0ts13h76qo/genemejawutigu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781b335015a---28536516721.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c52141271f0---zikunomaviw.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///gebexixobowutuwemevozok.pdfIn PDF document text
- http://robedecreateur.com/img/files/voravekam.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078f44893194---57207820284.pdfIn PDF document text
- https://maxflowfans.com/userfiles/file/newupebifedusifetenedoku.pdfIn PDF document text
- https://damiel.eu/userfiles/file/68150806377.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/zukifereninenesega.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c2283108a75---48247007964.pdfIn PDF document text
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/simoselokuvunid.pdfIn PDF document text
- https://www.lsv-wittlage.de/ckfinder/userfiles/files/51265678347.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/1b6acfcc27217c057d5c6d2e8e779278/labiwerebinufos.pdfIn PDF document text
- http://konberdbio.com/upload/files/nefiruz.pdfIn PDF document text
- http://geoass.eu/userfiles/files/24275219702.pdfIn PDF document text
- http://fertilityupdates.com/userfiles/files/favomapenoguzewibo.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612d22fdab648---39736848205.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/62290825674.pdfIn PDF document text
- http://alcantara.cz/data/file/buzumidagux.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/6ac26f0a7afb96a7df4620d3944e8a78/89483742845.pdfIn PDF document text
- http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/77516956745.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=bearing+math+worksheet+pdfPDF link annotation
- 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_off0000e329.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE329 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB40 | 11128 bytes |
SHA-256: 34b6700f419a9536b44d759c6d58ada9f39e4a358fdb9a390604da3f1219f76f |
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font_02_sfnt_off000114eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114EB | 17652 bytes |
SHA-256: 17fcbd8194e88d8b9ebb755559263b26be784143c1d9aab43d9a1137beb0ca65 |
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