MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to compromised WordPress sites and disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable, but the heuristics indicate a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9906
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b986e11977a---xabazenapetarasamumupi.pdf In PDF document text
- http://progfin.pl/userfiles/file/nadetarubadevedeje.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16088bc7bd0680---bixarufas.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4577ea2ce---16327239288.pdfIn PDF document text
- https://hashtag.school/userfiles/file/34592809889.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16072d4e6b29ac---gulupowedisavasanud.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/2hdk5t344u4vjtjv34dequoku0/bimafatupadoxu.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/16093fa0962de8---damizunebafajo.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/bugixozuzi.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/44e9f9697d7abf80bf2ec6a364294a90/dogewasoduzomasexewu.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/ralazopivenopurakafinute.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085a53f8ed6f---51957204036.pdfIn PDF document text
- http://www.rafaellucenaehijos.com/ckfinder/userfiles/files/tapimesugeguridazadif.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b793a330c45---71642692187.pdfIn PDF document text
- http://engroupe.ca/aym_image/files/bitifivitogozafozejurefe.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/fa860ba58e996b6871563b25d2ae8137/5475980952.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a95d75267c9---lanisafixa.pdfIn PDF document text
- https://bnovum.hu/downloads/98647464371.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e5eeabb2b---87039551456.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160be429581808---vidubap.pdfIn PDF document text
- http://palami.by/images/file/28524684882.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a37a80e0c3e---48919718615.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021061522450573499.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607c97f2f13a1---sabevubirixi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=main+causes+of+ww1+imperialismPDF 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_off00026e96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x26E96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000286ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x286AD | 10776 bytes |
SHA-256: 7bac2d297ad1e6b6a8fa2a801230a33ab3706b198063f87c2201dd1b9cb0262d |
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font_02_sfnt_off00029f8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x29F8F | 21364 bytes |
SHA-256: c2ce244cb39e9f0c3049a3c12a849afee2217e22d3f3cab3d913f78d7c9d0235 |
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