MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The presence of numerous links pointing to compromised WordPress upload directories suggests a link farm designed to host and distribute malicious content. No scripts were extracted, but the overall structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9666
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.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2b31b1f6b---56946537149.pdf In PDF document text
- http://proreferee.ru/uploads/ckfinder/files/37988792874.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16082dbcad43a9---gatixudagivolakopafamavi.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b411cf1673---wutajovaramafagegagagiwa.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021060420082980554.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d798dbab53e---60378851576.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/227057e3371e04544974386dbebdda14/45276422911.pdfIn PDF document text
- http://icwest78.com/clients/67591/File/75367778597.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984a6072a9c---didup.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/e9854f074f63937ef3f10fff57118eef/vubasefagamala.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da10aedd3dc---85246666552.pdfIn PDF document text
- https://atraba-holding.com/userfiles/file/62985573793.pdfIn PDF document text
- http://chroscina.com/userfiles/file/49453878933.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b5276396400---95520848186.pdfIn PDF document text
- http://lbhs1965.com/clients/6/6b/6bdd8f708684a1f547efbf97e1630fe5/File/gofupebaboj.pdfIn PDF document text
- http://thaoduocvn.com/userfiles/image/file/11693364473.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/rowegarugujelef.pdfIn PDF document text
- http://best-infosystems.com/userfiles/file/tekub.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ab573e957be---23538396927.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ead797927e---87544007960.pdfIn PDF document text
- http://sieuthivatlieuhoanthien.com/upload/files/34790363607.pdfIn PDF document text
- http://pphjako.pl/userfiles/file/626915768.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/jspv5umfmhuin2csanoqnd8fgs/69684062234.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6cc45b41f---katumafusofenovegiwes.pdfIn PDF document text
- http://royalwedding.jp/images/blog//file/36060482412.pdfIn PDF document text
- https://porterbrothersltd.com/app/webroot/uploads/51703087890.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=manto+afsana+boo+read+onlinePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00014b34.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x14B34 | 21944 bytes |
SHA-256: d99ae5b10d7800d9eb6d414d92163c4576d84be2dc9204f8683482718bafd486 |
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font_00_sfnt_off00011bf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF5 | 18064 bytes |
SHA-256: ea1a84f4319012d048d497ba653df10128f0f2fc7acc2eb660c480bb7141bb3a |
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font_02_sfnt_off000171b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x171B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000189d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x189D0 | 10480 bytes |
SHA-256: 2cd2cc4326cd7b6f7124144b98bc565f43877d9f3b30e2ac2b3b04d057baf5fe |
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