MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many pointing to compromised CMS upload directories or disposable hosting, indicating a link farm designed to manipulate search engine results or direct users to malicious sites. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://greece-ex.com/zaguzufuronamako.pdf In PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b7d97f461bbc9c818aa134b0c3f9b1bf/82514751263.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210509041252.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/t5bdb7s7d92p0mbc14pdf28kk5/nobunaxize.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e9e03efda---39313792398.pdfIn PDF document text
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/3cd12bc3407ce64878baf6862d07fc5e/3118038529.pdfIn PDF document text
- http://chatsworth72.com/clients/5/53/532ec3c8dc0e95779814939736d4df6d/File/56568393128.pdfIn PDF document text
- https://lifetides.ca/cambridge/uploads/files/46733889653.pdfIn PDF document text
- https://quangcaowebsite.vn/uploads/files/kaxazudixakogep.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd6edd6553---dedekitipomelevuvominosal.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/3d68454eab71b5d1453e312ccd49fbec/17227175959.pdfIn PDF document text
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/76972483824.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/gedimon.pdfIn PDF document text
- http://www.biotanika.pl/upload/file/28206726023.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/f8a1e7672d494dbe8be71a0907b95ba6/28285996677.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/93473889969.pdfIn PDF document text
- https://medtek.vn/storage/file/4598605019.pdfIn PDF document text
- http://lemfhafamilylove.com/clients/a/ae/ae548a02e38cf20d1222216853584fb4/File/danukesezokivaxuvima.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/5a90f4d280f4f33f10ad14dc5eff133b/sowovisanunusepamiduxemaf.pdfIn PDF document text
- http://patroha.hu/file/98529684278.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9d840ad1c---mudowubadexenawipivudev.pdfIn PDF document text
- https://kisikana.hr/userfiles/file/34214308476.pdfIn PDF document text
- https://mfdesign.hu/files/file/gokazazerusovaf.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/fb9a818015089c0f464b81e249df1318/56934926284.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/80fbadb3f765bfaefbdf4634c361258c/93224849848.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=linkin+park+take+me+down+to+the+river+bendPDF 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_off0000c159.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC159 | 10784 bytes |
SHA-256: 33fd4e1f7724638777c4a8d91ebf70021a6ea53d5acb118099cad5894e33757f |
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font_01_sfnt_off0000d9cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1DF | 17092 bytes |
SHA-256: 479fd88cfed1385edffed71ef177e44a0df5272fbd5fa8f0540588cd09903546 |
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