MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress upload directories, suggesting it is part of a phishing campaign to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for initial access via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/d39e9fc28b882f53d8d25b7514fe9a62/rogoxisalosaxif.pdf In PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/f27176f4ea2eb65a5162d3ee04ff0302/96485625427.pdfIn PDF document text
- http://xn--tnqz8hz5cb8l.com/upload/files/zuzipukinujesunatezo.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/0ee3e97cf312e72cb792789c6948c43b/melupugidigavubedu.pdfIn PDF document text
- https://netiko.fr/img/Data/file/jefupofefusokigeresogula.pdfIn PDF document text
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/a1326e096349ed3577b729b054b8ff1c/38291935275.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e08159372a---riwobufefajofewijorag.pdfIn PDF document text
- http://mkngsp.ru/upload/files/lamutumemosalunimiwo.pdfIn PDF document text
- https://doctornhospital.com/banglanews24/editorsfiles/files/93711198319.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/guretinedenufogobad.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/795rmohst65f4kqv6nh8ig1b7v/72603874097.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/acc888faed75ded843491596436d93c8/12957227821.pdfIn PDF document text
- https://by-express.com/upfiles/editor/files/40981261488.pdfIn PDF document text
- http://modra-skola.cz/userfiles/file/96573857332.pdfIn PDF document text
- http://mmbc.cz/_data/user_files/file/24698397984.pdfIn PDF document text
- http://haphadoor.com/upload/files/vafamodutixunefimulowezes.pdfIn PDF document text
- http://bradleyhillsapartments.com/demo/uploads/contents/file/tudebusokevadupavem.pdfIn PDF document text
- http://tjjjsh.com/uploads/files/bunavipipuxonobiv.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/70428b329ba9bed765e94f4a1469f6c0/tosujovujole.pdfIn PDF document text
- http://alwaditrading.com/userfiles/files/wiwamovonupijezabab.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/ff765a752b3925eaa80ba7a5a0e30f61/ritigexanavaxewudene.pdfIn PDF document text
- https://ambient-interier.cz/files/files/mibusewoxefiriluda.pdfIn PDF document text
- http://3sdent.com/upload/files/supuxifozug.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d31bbebe4e6---3023628111.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/gomovokikolokeg.pdfIn PDF document text
- http://hindel-relax.ch/ckfinder/userfiles/files/nemorolilazi.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0f667c182---rakezatopatiko.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=fluke+advanced+therapy+dosimeter+manualPDF 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_off0000cf15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e72c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE72C | 11128 bytes |
SHA-256: cfbaf94e1051cf25b9bb6eb6b7a7c5d08a326d0e87fad24c1b1b545516e669c7 |
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font_02_sfnt_off000100f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F1 | 17352 bytes |
SHA-256: d5a95270dfd36b4b82477905ffe9a0f2ac08076be4f6dbc75802538de272a16f |
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