MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting. These links likely serve as a lure for phishing or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/0902840b402227fcac01f734ed836189/pifep.pdf
- http://jshtextile.com/UserFiles/file///85562291283.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc681365079---dikesozibegererojaduzebap.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/pd0l9br992m7mbqq3lfa04tih6/divowefubofoxazinipunap.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741d0b73fa5---zusoretobikomodubamos.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/24f06488467d72c650b33cd3ef5fed91/nawemeterid.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/acc27da1b6ff5855829914bbc5f33df6/kokugefanafumexedoro.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/jtot8bp5h9k0s4lvqc0h38eur6/51007930222.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8b9d5781b---natakizetobamagataloj.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b45132575---xuxakewinedopedomu.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096190faae9d---dopex.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/p1ch5npkt81qauipv6mg4pd0nd/mupiditokidovubu.pdf
- http://bularz-auto.pl/images/userfiles/file/97124853663.pdf
- https://zulapin.com/calisma2/files/uploads/wimorapoxaw.pdf
- http://minhanh.com/files/84061699627.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/477c46ad7a382a5e2d6e84fe5a762aed/lipefuzupobogijaxife.pdf
- https://nikosdimos.gr/userfiles/file/8740686493.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbef70c7b0---70106058500.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072348ac7945---59633846903.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/uef2s81fa1842g0f5568jblrre/65979849656.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/5d61d5836a183e3e66b7f4b6366c044f/27517950208.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=carrots+starchy+vegetable
- 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_off0000eda4.bine837f1a0812d59216941668eb5166e976339e8c9d2600fb2472bc5f1fa5c533e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA4 | 10664 bytes |
font_01_sfnt_off00010652.bin3c9981cdf29b016e23b2bf7e093cc22a091e3d80404cd8895304003530fb9e47 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10652 | 16800 bytes |
font_02_sfnt_off000131f5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F5 | 16792 bytes |
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