MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised websites and link farms, suggesting a phishing or malware distribution attempt. The file's structure and URL patterns are consistent with a malicious PDF designed to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://oniceh.ru/uplcv?utm_term=history+of+education+pdf+download
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083b5ed8d4ad---93152786787.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce5d966f2cb---22375676475.pdf
- http://jinanxintiandi.com/userfiles/files/mesejonerogiru.pdf
- http://onlineexpert.in/userfiles/file/roroxanifuxarufodin.pdf
- https://serviceservice.eu/userfiles/file/deweba.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/d589l8fbm6me1ga58oiu3eqi1a/vizam.pdf
- https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/9vl4oavf5uqlilpng9u7iqp7q9/xanipolejovitomupesubidof.pdf
- http://smithmaloney.com/clients/3/32/32eae1a42220421eddab78da2f55685d/File/pijatodipipunifabuxo.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/8iu9q7sb744gub4hb86k6bvcom/kipaludove.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609985a8a6e7d---73689932473.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/e0ae05b65f18378d979ed797894a81a1/ziwesilidiminuxogamomij.pdf
- http://xn--k1akb4c.xn--p1ai/userfiles/file/61162765348.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a7944f6db3b---nijibetowupurivijezeli.pdf
- http://antwerp-reefer-tournament.be/argt/files/45717366081.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c786959cbf---5511598736.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/4b5bda7f581a3eb032baa7e298b4c010/83063393454.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084afa59edee---fegujufejamonisapalin.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087757001867---polomuwewaber.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/u3j5kc7n7vllikb41hn3ucrnbc/dopuworofofutiwuzowe.pdf
- http://kleinschaden.expert/userfiles/file/kekebesikobadumede.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/2a0475def39ba0f99514f3edbae2a6ba/bovewodogigexiliguxoser.pdf
- http://apexnepaltravel.com/userfiles/file/43310015903.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebba.bin7bff3bce6c93709c3e53eb698ae618d95140daaa85d592bf6b4f29ee794684ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBA | 17324 bytes |
font_01_sfnt_off000118c2.binc82ff229df2a3b93acde35ae4708bb49f597c13fe4e74d0ed052f4531962ed74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C2 | 10904 bytes |
font_02_sfnt_off00013235.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13235 | 16792 bytes |
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