MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate this PDF is malicious. It contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The PDF is identified as Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 by ClamAV, and the heuristics indicate it functions as a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16093a0cb671bc---karelasonuxenos.pdf In PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/es23pulm3088ph8bfht1hfkh2f/temewabefono.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/52533932535.pdfIn PDF document text
- http://basketaci.cz/UserFiles/File/78955190036.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a3db8e2b5d1---mubizeduforitesarivipi.pdfIn PDF document text
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609edfb3a967f---tirabagolubamov.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/r875821ealkve54f00i4da4qs7/kilewiwulebebepibut.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3bce240eb8---getutevazanatad.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17666ab7a0---83876782443.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/vebuxajiju.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/aheuo3ap97csdisuafjdtv8617/59051417786.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ffqv4e535p361h9eodgrkoj3f2/lutevebukebilun.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf1c911838---luvumixuxifi.pdfIn PDF document text
- https://babamore.com/upload/ckfinder_temp/files/20210612142222.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160de31aabc8e1---20986188633.pdfIn PDF document text
- https://wecareprogram.org/images/file/31312743496.pdfIn PDF document text
- http://willbramephotography.com/wasotuwejaruwuxenix.pdfIn PDF document text
- http://dui-antidote.net/images/userfiles/file/regapalemuva.pdfIn PDF document text
- http://qualityspices.in/ckuploads/files/bejizatenulugabivisapo.pdfIn PDF document text
- http://www.boldino-hotel.com/ckfinder/userfiles/files/20800927136.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/7do4ak3atasrlpdunhhk9403fg/lavigatewutaruj.pdfIn PDF document text
- http://coomargroup.com/ckfinder/userfiles/files/10221980528.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=kyphosis+lordosis+definitionPDF 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_off0000c843.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC843 | 10540 bytes |
SHA-256: 4e3c784370fe88a42032349083685745114cdcfbb67e1222ae4a2aa652f3e194 |
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font_01_sfnt_off0000e034.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE034 | 18252 bytes |
SHA-256: e23876710312a5dee4d3773e93f0ad41442bd1b7f7a1e2cdced1b38e1c66840c |
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font_02_sfnt_off00010f7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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