MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links likely serve to redirect users to malicious or phishing content, consistent with a phishing attack.
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 http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a382ee2679c---54521666269.pdf In PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160ca411f97e31---7809425137.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3e693973b---42456085854.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdaf830d44---89330950518.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16076cbb9061b7---kaneki.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/27cf104624604488774e5f4067b185f2/47662546224.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/46114da826b407b7628b0ecd2b7cdf35/banugoxiditejupefafu.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/kejapulodaguzoxurevatu.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/b0c5acba8087550a8e6e9e41915bb948/zewozoz.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/220fbccaac68fff3325ec7fbcb8a7352/butiwisorome.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7314a4710---wazivovujapuxobaruk.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/50095918655.pdfIn PDF document text
- http://alexanderkanevskyartgallery.com/clientMedia/file/sixumabotokokat.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/qq633efeknkogj6er2mb4pke36/pujedufurikobaga.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d31c0075cb---dixumoxikowufuro.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/vbemgk1go0js8868nmoiueie57/niguzub.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/467e8fdba411ed61305685f93385082d/lazukijibobumag.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/7b0915596eed6d9d10bef727d0a13e47/41688584866.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16083585757e4c---8617810329.pdfIn PDF document text
- http://kistours.hu/userfiles/file/50206191065.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/78643c2140a48695e89a6d896e10819f/65785960102.pdfIn PDF document text
- http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/2366092841.pdfIn PDF document text
- http://myxroad.com/upload/userfiles/file///64203977305.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090008024c66---ratazekosuwuv.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce538970687---logerumedunolibuna.pdfIn PDF document text
- http://murphysbeads.com/clients/54316/File/4140052754.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/8r3junuu8pu1qqu83vnj3v1si4/depiwebetowozafukerag.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=electrical+measurements+notesPDF 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_off0000f5bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BB | 10472 bytes |
SHA-256: fb207912c2a2a449a407710bd1836aed41f4b3737e875a57853bbc45a5c945ee |
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font_01_sfnt_off00010d81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012593.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12593 | 16860 bytes |
SHA-256: 9fde2976b79e1f350598a4c84040e529bead14fc21f9177424ad65ff99bde6cc |
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