MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites, likely serving as a distribution point for further malicious content. The presence of multiple links to disposable hosting and the use of form-builder plugins suggest an attempt to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866459526a6---71653234319.pdf In PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/ng3tt6noegsk9alsal052m8854/lizomuwoxono.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/m9u34lu5sisum9au873srluq9l/3153967472.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/59844118469.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/d9d13f617d2359060a895da81fbef689/37125764682.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607726a3ce20f---11570172917.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b285569aec---2193133819.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3a5a8a75a---18615370856.pdfIn PDF document text
- http://www.irrv.org/uploads/files/takutaso.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9b9f71513---derajibok.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fe2788d02---bixuku.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/c74d67977fc0966c8f512a2db0ce18fd/47509604656.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/fca71ac871f292b316b743b5aa5e6e16/xililobetenewalivako.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074326c820d9---nabofiwelivaxazavido.pdfIn PDF document text
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/596c1b960a5e6809c8d4393ccbd2dae1/4349391744.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/42521292164.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/merobodekomikud.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c6d317ce8---xojonoburotuxuku.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/d33p39gqp9nkmipkq5ntefq672/lajatewefunujadasumul.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a329c0b6f6d---99097546945.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/8fbebffd08a71847672272772792fd37/siluxuxanubatigarewasa.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/53604072592d5c462a3292725bb128c6/59004021394.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16092ebb777fad---kufijej.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/80999654555.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/45110262207.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/9dd109295e44b8b8113be96157947af2/pogexepasiseba.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/sugumen.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=erie+tribe+traditionsPDF 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_off0000f081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF081 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10898 | 10316 bytes |
SHA-256: 1c71dc990b8ff7e4ea9a186f10601b3bdde88ca42dd10a8a987e670ba7ec7fb0 |
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font_02_sfnt_off00011ff3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF3 | 17496 bytes |
SHA-256: daee372b2a1ce3776477db51437b11ee8fa696a98884dbfc035d48f71179d278 |
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