MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute further malicious content. The document body is heavily obfuscated and unreadable, providing no direct clues to its intent beyond the heuristic findings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9825
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://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce45d8169b---poranob.pdf
- http://anandamsanyal.com/userfiles/file/93461788952.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/vh2evhhbao5g6cjols7ilfr2h2/44081673022.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e907e6a884c92b590473201feb8d2dec/soruvaxexegefipofixanewad.pdf
- https://geneolock.com/locktactyuma/userfiles/file/92173336490.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160890f97db824---33712116782.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/tifj8bhimffehhsn4rqmvtv514/31112152868.pdf
- http://icltindia.in/userfiles/file/46651046396.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c234a3ba28f---92656185205.pdf
- https://whiteplacard.com/UserFiles/file/zufezolumamoboziralobom.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/7c6fcdb2859a6c4d8cace2bac77d1fcc/22573379509.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945556cbb62---18456863258.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607277db9c22c---76015772188.pdf
- https://bibliothequeanglaise.org/upload/files/nedezotagogimo.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/346df9522cb6f5849b5dc4f3e04a5e5b/17427730912.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a90c62254---sufani.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3b0835612---teromozulina.pdf
- https://nikosdimos.gr/userfiles/file/82921197430.pdf
- https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/bb24e3f4c2184ea7803f94663cd43ebd/39165933328.pdf
- http://fine-cottage.ru/userfiles/files/farolik.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608c638d8fe0c---besedu.pdf
- https://menu2uplus.com/images/file/61943903206.pdf
- https://addsfly.com/userfiles/file/34100946129.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/5fb6386b55040e1e5f2e8cf40a79f285/81675721100.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=the+random+variable+x+has+the+following+discrete+probability+distribution
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_002_off0000e8ab.bin9b6681a243b30536768f296df15c6ee6ebd675edd3ec234b1e7ee88768441857 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xE8AB | 19196 bytes |
font_01_sfnt_off000107c3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C3 | 16792 bytes |
font_02_sfnt_off00011fda.bin15fe00663dea34c03b5d272190e888aac037b1391300f2aa2e0fb7595853d3c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FDA | 11636 bytes |
font_03_sfnt_off00013b00.bine789f32232ccfdeee8054e55a25c9caf83577fb959477169f3f68202c69cefcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B00 | 17112 bytes |
font_04_sfnt_off000167e9.binab516097d0d2074b227f6d2c691a459a7cb86bbb2500fc23ae50e65502e4a15e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167E9 | 1724 bytes |
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