MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the overall structure point towards a phishing or malware distribution scheme, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://smidgel.ru/uplcv?utm_term=electrical+drawing+pdf+free+download PDF link annotation
- http://bbfederico2.net/userfiles/file/4603187748.pdfIn PDF document text
- https://dijitalsanat.link/upload/files/rafebipexelaxinekages.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/meveligafa.pdfIn PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/f6ee422d443649ced16714babef794e9/30150964598.pdfIn PDF document text
- http://explosivedevices.ru/media/file/palefofiwutolokux.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087f51f259aa---mimejexeneza.pdfIn PDF document text
- https://kvizek.hu/ckfinder/userfiles/files/jivolidejuzenegetow.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/9115292142.pdfIn PDF document text
- http://contextuae.com/resimler/files/25402290628.pdfIn PDF document text
- http://safetruck.gr/images/file/70586027307.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/19hoq8395htftsq59dk7locr69/tafimefovetelefoturexejed.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/jubiw.pdfIn PDF document text
- http://klubalfa.org/img/userfiles/file/97241131641.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/bojazozonoxu.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/96ece9c9760331b8a6b1f52bed0d1753/pekuroxowelafarifijeverof.pdfIn PDF document text
- http://claudiamelchior.it/images/file/47334220535.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/eac720990699214068b291eaa2e1bc7c/bakafapibum.pdfIn PDF document text
- http://oumkua.com/userfiles/file/49948802877.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/zejewav.pdfIn PDF document text
- http://muszempilla.com/files/file/kejat.pdfIn PDF document text
- http://katachizu.com/img/news/files/49741186543.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/setunudip.pdfIn PDF document text
- 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_off0000b631.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB631 | 10696 bytes |
SHA-256: f944669802ac6fcaae514297d50d18bebe07af2d6db4022ddc7a0b8c4b8ce59f |
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font_01_sfnt_off0000ceac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEAC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BE | 15360 bytes |
SHA-256: 5c785db31ac8f000c8980bcda9c5d9a2468785eb876b9299558c9d43651a1c5c |
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