MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and compromised CMS upload links further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.5261
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://beastyenergy.com/userfiles/file/pagabenokowasuv.pdf In PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/vhphbv48r0gamko7tpkn22ddup/90946348631.pdfIn PDF document text
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/s8asf0k08377bscmsnhvfuih97/papatatewomiv.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c6465f491---79973448771.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/fd8d533697ba2b4e32e2836ce7d17b5e/49192689911.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865f546645f---6156708892.pdfIn PDF document text
- https://apsco.ly/userfiles/files/fexetalu.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec89a890c2---44915561415.pdfIn PDF document text
- https://dgaspcsm.ro/ckfinder/userfiles/files/37888517553.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/difozimetunesogojozijaz.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/1q8rnm3v89o20f8b4emo74lqap/wiwaku.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd08228f3a---96751559412.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a7ab72a43---83206713250.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/85608990560.pdfIn PDF document text
- http://mwflower.com/upimagesfile///30948859993.pdfIn PDF document text
- http://maybomnuocdanang.com/uploads/image/files/71764355682.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/94358974881.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/zotofadixawiwatebibogo.pdfIn PDF document text
- http://demkapi.com/resimler/files/44110025556.pdfIn PDF document text
- http://cnwt.mgo.cool/upfile/files/2021/08/27/sutasubedev.pdfIn PDF document text
- https://valenciamaids.com/userfiles/files/71117899808.pdfIn PDF document text
- http://vuadiemtayninh.com/hinhanh_fckeditor/file/nukonorifozefedesaxazaje.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/63436251279.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=mantra+pushpam+book+pdfPDF link annotation
- 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_off0001015c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015C | 19956 bytes |
SHA-256: 96abd46981dc7f634d6e04e836863ac7d1276c53819c420e2d4b00386c01353c |
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font_01_sfnt_off000134ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134EA | 10816 bytes |
SHA-256: 0cee83c9deab9eab15fb79feebb2c779ca90477a923d057bd30341d36fc496b5 |
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font_02_sfnt_off00014d71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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