MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external sites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm or phishing lure. The PDF structure itself is also flagged for suspicious object definitions, and the presence of embedded JavaScript, though not directly analyzed for specific actions, is a common vector for exploiting PDF vulnerabilities or redirecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://poltinka.ru/userfiles/file/75314526235.pdf In PDF document text
- https://hmanagement.net/userfiles/file/junasujokiluxematonezeli.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/23065855465.pdfIn PDF document text
- http://esoftland.com/userfiles/file/52553117975.pdfIn PDF document text
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/d03372af82fe1db7cf58ea617402c21a/lexepodege.pdfIn PDF document text
- http://gaestehaus-am-erlkoenig.de/img/editor/file/55021922942.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe328cc4a4---74538240256.pdfIn PDF document text
- https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/tesijejadosodoxisowew.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/xubinovegurogiz.pdfIn PDF document text
- http://bettaletroom.com/file_media/file_image/file/61389355559.pdfIn PDF document text
- http://rymwid-training.com/userfiles/file/dajatinoxibuvebobalegutab.pdfIn PDF document text
- http://ever0036.com/assets/uploads/ckedit/files/20210716020619.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd4707c75df---2966373444.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/jomattkon4u3lf3607at21u2u0/kikufazoxusisix.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/83254726509.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/fezutobi.pdfIn PDF document text
- http://archinfo.ru/uploads/file/sisimabojipa.pdfIn PDF document text
- https://esofagopisa.it/userfiles/file/gudijorugijutu.pdfIn PDF document text
- http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/7591144524.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608010ca88eb2---gajifudaberanosilek.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bacb452647b---wepidonotixosaro.pdfIn PDF document text
- http://hanasushi6.com/uploads/files/gojobevinoresij.pdfIn PDF document text
- http://sibinetweek.ru/userfiles/file/62863267202.pdfIn PDF document text
- http://baikalspring.ru/ckfinder/userfiles/files/vovunip.pdfIn PDF document text
- http://maility.pl_adresuserfiles/file/vazudavizepaniwobanozix.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=y+meaning+pdf+downloadPDF 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_off0000b56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB56A | 10544 bytes |
SHA-256: f82350304bb6ac5ae243b0927e5e56247650dbe4e77163089ad2994910c710ef |
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font_01_sfnt_off0000cd26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD26 | 17576 bytes |
SHA-256: 3c5120df1833f284d70a396c15e1bc40d9ca405e3b8bef47ee83a7cc52cfe5e0 |
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font_02_sfnt_off0000fa9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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