MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Numerous heuristics indicate the PDF functions as a link farm, with many embedded URLs pointing to compromised CMS upload directories. These links likely serve as a distribution point for malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://kidneytexas.org/clients/861060/File/pesaludozonarubij.pdf In PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bf098a4025a---99690446807.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/a1042339a4be06416de6c69ada0a4852/17757133983.pdfIn PDF document text
- https://mvpartners.be/images/uploadedimages/file/35246514619.pdfIn PDF document text
- http://folientastaturen.pl/_data/file/40219497580.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/5d031bbbace7e33dc0cb8c6b7e405d7a/87769318199.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b4d9db150---52229724522.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/zonekewira.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fcd0e7adc---poziduzosanezufag.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076db9592bf3---86491052210.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/5913261e6eb1e6abbc7eb56b70076409/xejidinirivizoja.pdfIn PDF document text
- http://ttccid.com/userfiles/file/gusikedosira.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbf055c7d8---33425927522.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/311843c8334fb7760bd79a3774f58ab4/japamexumipiv.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9sb9anlircps91ledklb6eaft5/mesodutigavod.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8b2e93b38---podobumiruninevolowo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=divergent+tamil+dubbed+movie+download+tamilrockersPDF 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_off0000ff07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF07 | 11196 bytes |
SHA-256: 41911afd5215a39f9c5814de2c1f7f2608d510e829c55771dbfacd12d11596a1 |
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font_01_sfnt_off00011914.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11914 | 17616 bytes |
SHA-256: 0b3411bdc01ae6ff3cbccb83318eb0bc6d0c1d79645aefa2b96aadd48e0ba5ba |
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font_02_sfnt_off00014715.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14715 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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