MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to compromised CMS uploads and disposable hosting. These links likely serve as lures for phishing or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.8660
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://aurora-c.jp/files/files/33991889152.pdf In PDF document text
- https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/sagexuduvusu.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/kstuettrthu6fa004r868ld1u1/fugav.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d8f387480---45141100345.pdfIn PDF document text
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/742f8dc14ea8e9411e9a82e43422bf06/rewusov.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/12409714366.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/p4ckt1dllf43ok62qcg9mu8cn3/losir.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160a7171c0f988---39820948029.pdfIn PDF document text
- http://waypl.pl/upload/File/vavigaxovofelozo.pdfIn PDF document text
- https://childprotectionindia.com/lexcyberia/userfiles/files/mifoligez.pdfIn PDF document text
- http://accomplishtheimpossible.com/userfiles_ati/file/48432011043.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/kawokikojekikawagotij.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/76044151887.pdfIn PDF document text
- http://zuche0551.com/upload/file/65514583084.pdfIn PDF document text
- http://zabradli-znerezu.cz/userfiles/file/43141589887.pdfIn PDF document text
- https://abeess.com/userfiles/file/9386563460.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/aa0200392c469dcb288763e179c564b1/22009332871.pdfIn PDF document text
- http://fouladsazanco.com/Upload/file/zijukavejiseduvarowup.pdfIn PDF document text
- http://edgewood1962.com/clients/2/2b/2b25cacec04995aba37d275b9c35b4d1/File/11510574033.pdfIn PDF document text
- http://boathousebrokerage.com/userfiles/file/govodonuxugisosalixanexo.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/mirajaxonaja.pdfIn PDF document text
- https://lapakunited.com/contents//files/poxit.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/38785119247.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/61640783505.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4e2c03c10---70903507620.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+get+a+copy+of+my+car+registration+in+ctPDF 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_off0000eed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E6 | 17748 bytes |
SHA-256: 31728c3265f261523aa0d9caa307e4179fc5463040153b3c86dd47892b2cc81d |
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font_02_sfnt_off000135ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135BA | 10968 bytes |
SHA-256: 0f462ed0a82857080b60b8b655f9f2541a2cd07079c73d13886c4200f2ac97f0 |
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