MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains a single image and minimal text, suggesting it's designed to trick users into clicking an embedded link. The numerous external URLs, many pointing to compromised CMS uploads or disposable hosting, indicate a link farm likely used to redirect victims to malicious sites or download further payloads. No scripts were extracted, but the PDF structure itself facilitates the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://smidgel.ru/uplcv?utm_term=best+high+school+in+tracy+ca
- https://pet-fashion.ro/mm/file/fifafa.pdf
- http://eastindiaspray.com/suvra/eastindia_spray/files/mukuzebemo.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16071391e1d28b---jotetamiguridelugut.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/8205fe52725d2cc386efe5836366b4bb/zunisebapuvizeximidokup.pdf
- http://parzenica-bialka.pl/userfiles/files/4281506108.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/56e94c35d669bd79dd8ea56c1241c16f/49157429498.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16129bb2e205bd---tuzivenogo.pdf
- http://www.florentmaussion.net/userfiles/File/tezotuvafemewopaduzapijub.pdf
- https://eksiliotomotiv.com/upload/ckfinder/files/28243135032.pdf
- http://www.w.radeton.cz/ckfinder/userfiles/files/21587845729.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/t5sn8tfrdvcpn0kmed1sa9a1d6/lovixisakusofofi.pdf
- http://dobrejaja.com/Upload/file/puzadugapazutum.pdf
- http://fcraregistration.com/UploadedData/file/xiwokofowiz.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/a3d8d506d3ab6b0363ef0b1ed21e7c7d/65519359518.pdf
- https://henklinders.nl/henklinders/upload/files/8081032450.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/0dc528fcc1f10759d73380b847be49ea/49553526694.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4e25045c9---gugawu.pdf
- http://www.oiseaubleu-promo.fr/userfiles/file/tolexikimojexekawopeki.pdf
- http://nelly-design.ru/upload/files/pajoludozivazovewewez.pdf
- http://kolasinprevoz.rs/slike/files/42672379810.pdf
- http://bracyfamilyreunion.com/clients/c/c2/c2db1a97f769835965582c74015c7782/File/popikufedutonik.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/su43g2ae7v7dnkq4ip4e0ig9f9/rorujoximamizizutumolipe.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_off0000ae06.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE06 | 16792 bytes |
font_01_sfnt_off0000c61d.bin84abe5335432ec85277f2413f9b64d7b2676a868e62d1efe2a8c644843fde95f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC61D | 10676 bytes |
font_02_sfnt_off0000de99.bin3cfe3c406c4c184a5dd83b2dcd6ec2c6bbcd32cffdeb5ab3367695ab39350bda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE99 | 14092 bytes |
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