MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a link farm pointing to numerous distinct hosts, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://williamshudson.org/clients/3/35/35bf74ce48b5c120232fd40fb4fe3e45/File/5209854242.pdf In PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/7ea3549511b34cf1c33af9ec84452f6f/4782864037.pdfIn PDF document text
- https://cafepiolho.com/uploads/assets/fovosatepomigapikem.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/35885970464.pdfIn PDF document text
- http://chickenwild.com/upload/contents/images/images/manesikojidijuwofek.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/d3daa7e0252d2cbc2f53d9424c137aa1/dawawutepe.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bd25324e694---dodilelividilutor.pdfIn PDF document text
- https://rosycaffe.com/file/pipasivi.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/070f75b68d731d2350b9c462a3cc231b/dilugaketopov.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/c3b25a36bbb637fce9abcbf3b4f32365/44327389973.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/53t9igu0k7jqo0r74hc9206dec/sujifemot.pdfIn PDF document text
- https://noddy.nu/images/file/xesot.pdfIn PDF document text
- http://maxtarget.by/ckfinder/userfiles/files/filawelome.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/47873696485.pdfIn PDF document text
- https://alate.org/admin/fckeditor/editorfile/gidumegazolejorosisavi.pdfIn PDF document text
- https://t2sc.me/userfiles/11411739884.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/e4dc8acfb9dec3443d229ae193fdec58/26399191719.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160be5ddeb4148---1595816953.pdfIn PDF document text
- http://indagosrl.it/userfiles/files/26958064635.pdfIn PDF document text
- https://fishboat.hr/files/lonozuj.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/305e33142bf84ebbc6fe6b3c291de746/tifinufodu.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160996c1626810---36739252898.pdfIn PDF document text
- http://abcbyspu.net/ckfinder/images_store/files/pogumafovagapogimi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=should+i+eat+an+apple+before+bedPDF 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_off0000fe11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011628.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11628 | 10740 bytes |
SHA-256: ead4683e3ac49c96017885d5b664662f00e5370b95102a3ac55ccfb66ebb5004 |
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font_02_sfnt_off00012e7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E7F | 16848 bytes |
SHA-256: bb12437090ff1f456008b7075ef3d9977385c15d89d0ae428c1501474e42fb51 |
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