MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm pointing to compromised WordPress upload directories, suggesting an attempt to distribute malicious content or phish users. No scripts were extracted, but the presence of multiple compromised URLs indicates a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/c7092c710f6242c028d6dfe4d71261c7/18802274613.pdf In PDF document text
- http://hoanggiaphatstone.com/upload/files/gajozubesonodaxoxosi.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16076241e71ba0---6966098477.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/v9nn5db7ivp0gdvvfiub3f1t1e/komejeposizazik.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/e1b4888bf714122b99091992c0488434/44318983890.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab5e661499---41927350654.pdfIn PDF document text
- http://cafemsoffice.com/userfiles/files/11766518238.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/89509b23474e5c2232a772b7b54c54e6/girekekavajukigozuz.pdfIn PDF document text
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/26cd10bdb41a4c06c6fab7802edfd2c0/2809932551.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/299dfe8f9178790cd4b07298403af488/buganepomoded.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/5fafb6445eb21a279fb594f514cd88de/93157780966.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/03895be69e96f5a3e7a247afe674572a/72361343904.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210710_60CA465D5E2F6F33.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/zamagusak.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/3b59ef8b57250072d146deeda14c24b8/kogunawenogudiwevufagofo.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f8977f98e---79643662344.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/59589775810.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1ed83df225f5b5dc71f503f5e2143810/27566753270.pdfIn PDF document text
- http://fitviewer.de/files/file/gugafudimik.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/bamub.pdfIn PDF document text
- http://oilmachineydy.com/d/files/mufizo.pdfIn PDF document text
- https://qualitymattressfactory.com/admin/userfiles/file/vuvag.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/kn3j19mfb0i4f52ugil2q1rq3e/rabepelebolosidowakopo.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/78408346698.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a866aacfddd---jupifokenog.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=candlewood+suites+dfw+southPDF 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_off0000d573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD573 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED8A | 10568 bytes |
SHA-256: 58fe5bb80eeea151ac0ce9de175f64bb6b360c239819120f7c69643142f83aa4 |
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font_02_sfnt_off000105ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105AC | 16816 bytes |
SHA-256: 30356f54a23e3986de72cf328579df1dbbd9d7cba4e3afd91460b39d81cf00be |
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