MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely intended to trick users into downloading further malicious content or providing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9768
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://chcial.ru/uplcv?utm_term=supply+chain+executive+resume
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/4bmb1fjkvv6vrm76pmnbjsf849/97861351774.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607754e223d02---farif.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/dl489137vjuph74fjfmcirbi4n/domuzuwilozevuboxomadi.pdf
- http://artospace.com/pics/file/vodedisotonozem.pdf
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/247e60b236fab91afa256407cf27c3a9/toger.pdf
- http://nandeestationery.com/userfiles/files/58144913145.pdf
- http://banhangcongnghe.com/upload/FCK/file/daradukinunovok.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/76ogj081jsmklu8mip43vq5et0/57671783093.pdf
- https://activepymes.com/pub/file/86276653982.pdf
- http://megat.pl/uploaded/fck_files/file/gasafanonem.pdf
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/afee1fbf86710c2322a034086b43c576/72650521348.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b0d00b85c---gatonikew.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/e5174c1e78697b18870a138c167dc648/67237143834.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609270f47f69a---91847523002.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/295fb8fd2da91a9fce7587573f7ebc6c/71041379132.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/h90ob9u3a9d729cgq8e7s1430g/zukapivezide.pdf
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/felasuzizoga.pdf
- https://kimtuong.vn/isc/public/files/fckupload/file/tezapufone.pdf
- https://ideylia.fr/uploads/file/10753479071.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/224dda1808d4d69c2c64327946c78431/61086423657.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/b7abf1925bcad246c0a5c50f53e8f48c/8191442074.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/12e833ef71f17bef5133200ee91d04c4/koxunuxefasulojefasu.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2632756a6---20684950893.pdf
- https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/5be74as07ut8o3pbl5thsa2mn6/nuleditasalasezanawivubu.pdf
- http://alarcon-v.com/editor_upload_image/file/98063394609.pdf
- http://griswoldremgmt.com/uploads/files/53737896149.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5ed.binbb68253faa8066f86c339426ae95d77edf6721aae0e02451a8530374013de1a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5ED | 17612 bytes |
font_01_sfnt_off0001244e.bin4e13c4d5e419c65ea5969c4d45d1ffcf39d88fc169a8982adefc100f602e0fd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1244E | 10976 bytes |
font_02_sfnt_off00013dab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DAB | 16792 bytes |
font_03_sfnt_off000155bc.binaccd34cac122581b185dc6d0d9199df2c0b1a275dbc0c6da260e2750ac11a038 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155BC | 18272 bytes |
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