MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate it functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites, likely to download a secondary payload. The presence of embedded URLs and the 'Fake invoice / payment lure' heuristic strongly suggest a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608189dcc5c82---porozitadagejomo.pdf In PDF document text
- https://tkquiz.com/userfiles/file/85264036124.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160827fac05a14---8996772173.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cff3bd9d8---1051499095.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/s8al6anu32v3a0mciv2d75c0v2/meledep.pdfIn PDF document text
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/gigitawu.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/14619408781.pdfIn PDF document text
- http://gyogytornasziget.hu/uploads/files/zimopiro.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c95b71d595---regigimolijubofifukatipag.pdfIn PDF document text
- http://universe-micro.com/upload/files/20210729_233722.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/51233242766.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210616_3E2C09B3C0AC3B43.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/ckpvfasr9ub58u8dmbba2o2221/17031209556.pdfIn PDF document text
- http://funperm.ru/content/file/kopusa.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/4359462964.pdfIn PDF document text
- https://honghow.com/ckfinder/userfiles/files/90157996088.pdfIn PDF document text
- https://acavacecio.it/userfiles/files/43401606892.pdfIn PDF document text
- http://okulsanmalatya.com/imgup/file/xagekutedenemawivasulo.pdfIn PDF document text
- https://pass-eco-energies.com/ckfinder/userfiles/files/7781218046.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088f73d7d6ed---72194965335.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/0b84pkn4icl8mhqdljd1ijj9hu/91096762641.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/8fmp85rj7om71kmm4qkgk2p4qp/tonojuware.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969f2bd5b82---14001187079.pdfIn PDF document text
- http://shavers-boles.com/clients/7/73/73b1ad2e2c85410b7b015c0c79a6caf4/File/molesevatuwek.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=gk+today+current+affairs+pdf+downloadPDF 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_off000124a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013cba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CBA | 19728 bytes |
SHA-256: 1878a1bad955c59b3055350ef7e261f77ddfc6b4f71df2f146934de9fd479f1d |
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font_02_sfnt_off00017052.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17052 | 11044 bytes |
SHA-256: 14c97ddff14b541af6dfdb673e78afe2c48f8c3fd33202868cd2e583b1dfb6c6 |
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