MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, specifically within formcraft plugin upload directories. These links likely serve as a lure to download malicious payloads, as indicated by the ClamAV detection of 'Pdf.Phishing.Trojan'. No scripts were extracted, but the structure suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609998c422133---11894422318.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f06151c0a4---22466413198.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16076da035274e---tilesutu.pdf
- http://alexlunacoach.com/img/editor/file/11022914890.pdf
- http://oishisushigd.com/uploads/files/jepofedowok.pdf
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc5cd902c1---wulene.pdf
- http://flygarfield.net/userfiles/file/44877177084.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/54d5220a5de72c828b4a96c32f8f5dcf/3453343418.pdf
- https://agmatbaa.com/upload/files/bodedivewepodato.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074adbb3cf49---68179554452.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607453c46a868---xonevunefadonomujeg.pdf
- https://nhachoxebus.com/upload/fck/file/69534476684.pdf
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/ng3tt6noegsk9alsal052m8854/lizomuwoxono.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071120ca1962---62805649890.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf29e17f9e---23699307065.pdf
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/moririni.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5f74e3aab---35627421894.pdf
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/jivofikiwan.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a6931081610---vapoxovijilutan.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/a1p80vor1qfv4vkjntc5mbu3ah/2122041452.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c90f9c965c---6660088067.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ed254109f---fuvitinudiginimuperegawel.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa49ab4aa7---negivatidujogelalub.pdf
- http://timapools.com/uploads/files/jatitenef.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=solving+systems+by+substitution
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e782.bin7d1a5c2f1cde70953c5a282d1e1ead0407efe92cca53895de1dba756c6eda801 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE782 | 10684 bytes |
font_01_sfnt_off00010009.bin388ca8a8e3e6b569b54d4e8fabd3e5c0c3bfa732e003279826b8ba3f8752f9d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10009 | 18280 bytes |
font_02_sfnt_off000130be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130BE | 16792 bytes |
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