MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or redirection tool.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/55acc5a20be0b678829e330a91c0ea46/tutib.pdf In PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16126fddab27c3---77270314554.pdfIn PDF document text
- http://qunjl.com/userfiles/files/53629288514.pdfIn PDF document text
- https://mimpiindahsatu.com/contents//files/87273015837.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/xuluwoneguka.pdfIn PDF document text
- http://ulrike-mayer.de/userfiles/files/85746380654.pdfIn PDF document text
- https://sambelteri.com/contents//files/70320367191.pdfIn PDF document text
- https://blokhol.com/upload/files/nonulos.pdfIn PDF document text
- https://oncallanatomist.com/ckfinder/userfiles/files/rixunironavivusad.pdfIn PDF document text
- https://terracetemayonetim.com/upload/ckfinder/files/miduwuje.pdfIn PDF document text
- http://askort.pl/Upload/file/zeguzizaloxuwatopute.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609590fe1cf37---25744424823.pdfIn PDF document text
- http://sinorarechem.com/upload/files/petotopesopeveburixonok.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160f675783399a---45666553511.pdfIn PDF document text
- http://drcleancenter.com/uploads/files/202108150218013464.pdfIn PDF document text
- http://global-leasing-management.com/uf/file/voxuxewafugatukip.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a8f5758f5be---dovixemab.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/musiv.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/zerazotiluraxosazovifoka.pdfIn PDF document text
- https://amatnieks.com/pictures/image/46910945114.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760c0a3a030---dejagijufidagefixej.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/hspkle0003v0913pvhd47u6l86/bidewaxagavefisisavor.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=poisson+regression+for+ratesPDF 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_off0000c620.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC620 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000de32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE32 | 18572 bytes |
SHA-256: d270299c1a9814c012e7582fc5f19c7aa982e37d6cc80bb58ed3badecea529f5 |
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font_02_sfnt_off00010e3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E3E | 10344 bytes |
SHA-256: 7db8939e86120f80a2cdf6ea89288f861acd7d2ab862a8b8418e59394b012cc6 |
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