MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads, suggesting a redirection mechanism. The PDF structure and numerous external links are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f20f64d9e5---9632017391.pdf In PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097da3f868dd---nogixalutaferekiwoparunu.pdfIn PDF document text
- http://stonebriarranch.com/clients/876969/File/34203573049.pdfIn PDF document text
- http://asztalosweb.hu/userfiles/file/fekawuwefimakogopejupar.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/e6e3fa86c558752a24bf66b8143a6a07/zudowezagepegipebi.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c41a63e10e3---34625252187.pdfIn PDF document text
- http://kasargod.net/uploads/file/nasinegamotometatow.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/fhgno0s9s1un84m1k2rckegabs/buxujelobazijizumop.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/5d515e3a854365fb71e43f8dd8ec8cea/sujusarejapamovixolo.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/6euihi8qiic8o1tq3j2cdg00at/kotikajobalafenut.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/cf0663d34531c2c4cb97d6079859d8a2/pufudererutuseku.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/3ebd89337bc9244d6642244e33dc31e7/gipotebafuvowak.pdfIn PDF document text
- http://schokozentrale.de/idata/lisape.pdfIn PDF document text
- http://takeacode.eu/user/d41d8cd98f00b204e9800998ecf8427e/file/8088610173.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/74710446843.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/7473790202.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/rolokewutepazujef.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16094d3e9c16f2---jamenugigewazogelo.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160834b65cee19---kolalubanemanamusoxisopi.pdfIn PDF document text
- http://jatyn.cn/upfiles/202105/file/1621986586.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3eaadabfee---51578667334.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-6-13/20210613192800225608.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afd83d7034e---pikasirekumamitotumavusur.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/h6s9jrat8u72b7oie0rkc2plt7/97047283439.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=discrete+mathematics+arthur+benjamin+pdfPDF 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_off0000c904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC904 | 15836 bytes |
SHA-256: f7192d5e9cea18b381cfb2f0065d8412fc01c079be320bce7e4472d01019d603 |
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font_01_sfnt_off0000f1d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D7 | 11088 bytes |
SHA-256: 7b0e5b310a72801de77e373a1142619db0e054f1b279e5e773044729c28bfd52 |
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font_02_sfnt_off00010b44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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