MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal that the document functions as a link farm, directing users to multiple compromised or disposable hosting sites, which is a common tactic for phishing or distributing further malware. The embedded URLs and the PDF structure strongly suggest an attempt to trick users into visiting potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://wecareu.net/ckfinder/userfiles/files/37957702778.pdf In PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/kapinixe.pdfIn PDF document text
- http://didopack.com/files/setapal.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160767358c1ce8---15676027299.pdfIn PDF document text
- http://tuclubcr.com/campannas/file/33769123592.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089094401205---59190978399.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/wavutadovobexamagifow.pdfIn PDF document text
- https://webmenuplus.com/images/file/28072542636.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/eqhmjr6c4djrdij49amtdbgtb1/98902098276.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/3f73b96684e35bc340256e1417115c57/50198654971.pdfIn PDF document text
- http://ahkkpcm.org/userfiles/jirozovoxenipikilenagis.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/mibifaterozamilajozuvivu.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/65038471408.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/titumarigunimatezu.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/81180719189.pdfIn PDF document text
- http://taitung-house.com/CKEdit/upload/files/titabikafugugixidilizapez.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/ba7e8c2cd620485432a781fb5ee847cb/97414596142.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/230db0fa0ecb6adaf50fc9f97cb9abc0/44859881702.pdfIn PDF document text
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b087cf72d36---38900198231.pdfIn PDF document text
- http://www.iece.in/userfiles/file/37843818632.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021052610012391.pdfIn PDF document text
- http://naszymsladem.pl/upload/file/fatawajali.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/jimiduliluwazixonidetaxe.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d76cd711ca0---gatoredenofitakinif.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=my+cloud+ex2+ultra+admin+loginPDF 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_off00014336.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14336 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015b4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B4D | 10972 bytes |
SHA-256: 7f3f31a628f8a2dcf6f79880357b4682028aaaa8f4114151c297c326007c6394 |
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font_02_sfnt_off000174a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x174A6 | 20308 bytes |
SHA-256: bcdd61ff827940c9abb4a172cde4fe47a6a60343092aaeab2dbbd68bdbe16cd1 |
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