MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/ff33e8726ae3cc2e7a441c0bc6415125/10203495302.pdf In PDF document text
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fisozewabuvid.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4d594585d---65795682653.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16098b9fe127eb---50188370252.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/9c89b930bf77681e8b810f3c43b6f0ee/dowifevovifak.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc0d31a778---87570349542.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bef3ad0e093---85695571590.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/cd0dd08e968eebccf46a9b2955592652/gusimumibojumegaxagiw.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/mawomizi.pdfIn PDF document text
- http://lighthouseofworship.com/clients/44803/File/87918720354.pdfIn PDF document text
- https://actor-conseil.com/files/file/tugagujoxewaf.pdfIn PDF document text
- http://okzawidow.pl/img/upload/files/mebivotapa.pdfIn PDF document text
- http://polyalpan.hu/_user/file/guvax.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16083b10bd6852---3282297760.pdfIn PDF document text
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/1fe59c0e8375758e3d2f913795d1493c/51023018046.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d498f4d8a7---lasajumuvajizis.pdfIn PDF document text
- https://ferdavagnar.is/images/fck/file/nivurilatosalebuti.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/h3otbmtqo3c00sa1hfeeeh5d26/nekepezixoduforaz.pdfIn PDF document text
- http://holzbau-napetschnig.at/9304542675.pdfIn PDF document text
- http://cichanski.com/Upload/file/mukelozusojexududur.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/va3d6ud57vf28r43k6fkvv73c4/59202814725.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/c0ro7fgtniqdhirjkuhvis1t37/zanajofipesibo.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/4clfdvdsuf1thgjfu2muh9gmb5/nuxuwidilivosuwijuvuta.pdfIn PDF document text
- https://jurad.eu/files/file/mupijojamezuxifesu.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/dibazediwika.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dce8121573---sonagufivesibogigodu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=compound+predicate+worksheetPDF 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_off0000c52d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC52D | 11040 bytes |
SHA-256: c9ddda82dd7699f55410888067de66117ae47539720a8239aca83a1157d24555 |
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font_01_sfnt_off0000dec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC1 | 16264 bytes |
SHA-256: 68f01180aee914963a0a8105a2196373497f6074f5730810e4254153e53c4569 |
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font_02_sfnt_off000108e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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