MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ClamAV as a phishing trojan and by an ML classifier. It contains a large number of external URIs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to distribute malicious content or manipulate search results. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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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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://pistant.ru/uplcv?utm_term=potion+of+weakness+in+minecraft
- http://pphjako.pl/userfiles/file/33993057921.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/f62043f1f303e32f38a4ed4d6291f8e3/deritakojebujo.pdf
- http://mhinflatable.com/upload/file/rogapetofuledagenu.pdf
- https://cargotavio.ru/files/file/ramotezodamulekivejazewa.pdf
- http://dharmapremipariwar.org/userfiles/file/tobuzizifovuxu.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf9c12e095d---64085608870.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dd7c1aca974---20298734697.pdf
- http://tfforming.ru/d/files/47834202261.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/61895dfe999f5504e66b4f0203ebcf95/87790354463.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b006ab6c249---fipogofig.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0720d9710e---sokemud.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/fkp6dhvv59s27kapta6q6upci3/22178305758.pdf
- http://stalmont.eu/userfiles/file/gazokoxijedikorilufoti.pdf
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/53999430067.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfaa503b51---43807875093.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/cd81186a8e180eea126b526b752acc78/jowolizada.pdf
- https://giridhareye.org/ckfinder/userfiles/files/73318176451.pdf
- https://kitapkaplama.com/upload/ckfinder/files/27789858697.pdf
- http://smartraoptics.com/fck_filemanager_upload/file/16159911221.pdf
- http://bizbecho.com/pa/trainstation/uploads/image/file/busejifalok.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/a4b30f8a04907befe68a661e48311700/98172947904.pdf
- http://osc-pribor.ru/products_pictures/file/13655488637.pdf
- http://tandprotheses.com/ckfinder/userfiles/files/78282974550.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/e377327e9d92dc61dbb0ec28b2cc4c17/muzagenirarud.pdf
- http://vanharteyoga.nl/uploads/files/88575173999.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1e2d9a2d24f1f0c4ff07a8f016d24b25/80886026070.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e864.bine147875034fdea81d182bf14cd031d3c35943376acbc755512fb2d37f8278af5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE864 | 10632 bytes |
font_01_sfnt_off000100d0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D0 | 16792 bytes |
font_02_sfnt_off000118e2.bine7f87535f9134129d766f361f00cceb0a9a62556714e3a9cbdaff6e144b0a124 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E2 | 16340 bytes |
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