MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of external URIs and link farms points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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 https://irlanc.ru/uplcv?utm_term=parrots+and+macaws
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/47cfc6c47999d8fcdc49780f77671df5/39027104051.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5fcbb19e8---82908412708.pdf
- https://armagedonspedycja.pl/files/file/xinatu.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/nbdk8n0lc04nco32tdt6mc2q5p/32244371411.pdf
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/bd88c4d4fb9212b1c65415e929ef96d6/popakutagafepexofiwa.pdf
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16093b3f4b91e8---56723325479.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16080d832f231f---36890675783.pdf
- http://duoctruongxuan.vn/userfiles/image/file/57830831495.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/qkbnlcg3i5p8l4974j0qaq6il7/supapa.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b046d404fc8---zijuzesabupukidevetoju.pdf
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a998aede0a6---61572184309.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/eaa7a4cea3c8e69952ef619e31621d69/kujotegonafafofa.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce0cb9dd42---17230309447.pdf
- http://adabaskimerkezi.com/upload/file/gawunajawaxepizese.pdf
- https://dansobentre.net/uploads/file/7845675550.pdf
- http://iqlacpro.vn/emotive/upload/files/sodaju.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/s0q1rli67rg152bk4h943n50r7/53924605980.pdf
- http://aftckwt.com/uploads/file/vegusuneni.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096b43af0149---99388587535.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/skafik8f2moniibnqtfg1fua0c/bujozuridobofofavanekuwev.pdf
- http://edgecs.net/documents/tokodaduduxubigaputare.pdf
- http://akcjonariusz.com/UserFiles/file/zusolefusifute.pdf
- 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_off0000f30c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30C | 16792 bytes |
font_01_sfnt_off00010b23.bin6f9e57c5b06b69c44a22c873281a71a0cfede28ff608c5fa624b2bfd5a7921ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B23 | 10348 bytes |
font_02_sfnt_off00012294.bin670b50355c3f32de703a4d7f60ba5c0684f552ab747d9caf640f3090f5065888 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12294 | 17140 bytes |
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