MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms and appear to be part of a link farm designed for SEO manipulation. The presence of the 'SE_INVOICE_LURE' heuristic, combined with the ClamAV detection of 'Pdf.Phishing.Trojan', strongly suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the nature of the links and the overall structure point towards a malicious document intended to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc10de6d85c---litokap.pdf In PDF document text
- http://fullcolorspandoeken.nl/userfiles/file/35172277503.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/3d58da9ceaac4958d35144d3f1a5e184/80803926359.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/fisetavakixolasaso.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/30843652808.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/32367328519.pdfIn PDF document text
- https://angkalaris.com/contents//files/21237681858.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1fd871bc5---99735612059.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7f557e8b1ea94794de242467c66383e3/gigasise.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/q37oaj4d6eb1th2fo9f2rsbqvd/68055824689.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a5cb038ef9926338a9e8c4b7255c9a00/botokubigaw.pdfIn PDF document text
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7fab0c97a---dofaw.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/5b634b49f1209a53689e80683f11a05b/miginenawado.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0310edf27---vudiwufurodirejaf.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5c013184c---tinidavume.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/cuq2g1vlv5l59q3ouv0jus2gr3/kemoxalexekewisu.pdfIn PDF document text
- https://avela.md/userfiles/file/29107997484.pdfIn PDF document text
- http://cuspsurgeons.com/userfiles/file/gakekolaxifudu.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/299512b29070d4eb13a948053d9f3310/92129341080.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/lulimutegurulamin.pdfIn PDF document text
- http://myshopekerala.com/userfiles/file/jozuxipadoradudo.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609287a1c6409---rekirisusekidajipesapij.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16098ce4dc96bc---rujanuvov.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160953e3a977ed---virejavobibividufotu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=indemnity+bond+format+for+courtPDF 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_off0000ecea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECEA | 10728 bytes |
SHA-256: bb94518d848914ea3d8c57698b494c2f318c3e9385bfccbd8a738cf6579327bb |
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font_01_sfnt_off00010587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10587 | 18600 bytes |
SHA-256: 58a8b515ffbe3019ac4b630540279dac9b3d850418b5c343019d9eca49573f40 |
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font_02_sfnt_off000135c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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