MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature. The primary attack pattern involves luring users through a malicious attachment to click on these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/f22f303599f6d5c9543fde5a70b96416/xebaliletad.pdf In PDF document text
- http://duocmyphamcongty.com/app/webroot/uploads/files/nexomugonodapo.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ce0db059309---sexaju.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/xugaziponapexokeludux.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b025f7c171---dosimeludanebi.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/7js0r60kqf82bvu6nldlmom4i2/92866128912.pdfIn PDF document text
- http://msslink.ru/userfiles/files/45981719011.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/tariwib.pdfIn PDF document text
- http://novelinternationalschool.com/ckfinder/userfiles/files/benezewakimuzoduzitoluru.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/zajifisaponuvitete.pdfIn PDF document text
- https://a1-recruitment.fr/v2011/Files/fck_upload/file/gekibuzije.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/medorabulovipelomodomek.pdfIn PDF document text
- http://toyotarent.kr/FileData/ckfinder/files/20210802_18B273F93D9F7F79.pdfIn PDF document text
- https://femagnet.com/upload/edu/article/file/kimuvine.pdfIn PDF document text
- http://izumrud38.com/ckfinder/userfiles/files/61135340923.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/85582383669.pdfIn PDF document text
- http://rund.cz/UserFiles/File/lujopazot.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-6-24/20210624044934789664.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/piparisetoxojemage.pdfIn PDF document text
- https://ancoraeducacion.com/images/dibosuriwekizatitiz.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/bowirugozabuxenetevo.pdfIn PDF document text
- https://citytrafik.nu/images/file/21744311113.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=reliable+and+unreliable+sources+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_off0000dbf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBF3 | 18872 bytes |
SHA-256: a70801173e5815f634fc5c5261c79309b59acf7e5870707dac2cfa6006c77e6e |
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font_01_sfnt_off00010c84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C84 | 10800 bytes |
SHA-256: 4611550a10fd5c796afeff882c778221889259a2190bf2883d4ad24da5bbab10 |
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font_02_sfnt_off00012539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12539 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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