MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites or phishing pages. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these links are designed for SEO manipulation or to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://smidgel.ru/uplcv?utm_term=chhs+e+learning
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/f741898e95195129e0491ef98ed28019/8954290776.pdf
- https://komunalno-vrgorac.hr/files/57563186999.pdf
- http://studiogiovannone.com/userfiles/files/tiwagekokoxinikeditozasuk.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/7ac84893fa1d200e4c3bda1fb0a60f07/74480565961.pdf
- http://geopraxis.it/userfiles/files/votop.pdf
- https://netlandschool.cl/files/jewepon.pdf
- http://suchanekstomatolog.pl/files/file/wevanaresim.pdf
- http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/mazim.pdf
- http://ildong.org/sa_upload/userfiles/file/20210911124524.pdf
- http://teusz.pl/UserFiles/file/wutebakeretukoze.pdf
- https://ropaalmayoreo.com/images/userfiles/file/mebogovevapadol.pdf
- http://5percent-design-action.com/upload/users/files/99587066669.pdf
- http://synthecinter.com/userfiles/files/98574647803.pdf
- https://turkuazhost.com/calisma2/files/uploads/zaxijoparurulizifexuba.pdf
- https://rijst.nu/userfiles/file/rerena.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/5273b1a43f52b99df5055806c6392771/27887412651.pdf
- https://mondoaudio.it/img/uploaded/file/tabijuzazagufolipataxi.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/n7cpar0e4cnk3tm5b5bnql53qd/liwojemasoganejodimubi.pdf
- https://sleepthai.com/piceditor/file/retarapo.pdf
- https://guruvinodji.com/Userfiles/file/morexirorufixu.pdf
- http://fw-simple.com/uploads/files/dadumupumuv.pdf
- https://grootformaatspandoeken.nl/userfiles/file/67575467947.pdf
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613a19884b961---vivegak.pdf
- http://cmtl.in/uploads/userfiles/file/file/3484737256.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bd1e.bin19cd31c22716abfc6c33a95064061e7d1f887591e849cf42f618f7662adc67af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD1E | 17380 bytes |
font_01_sfnt_off0000ea13.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA13 | 16792 bytes |
font_02_sfnt_off0001022a.binc8f3c2d634bdca68ad760f3bf309ca99f7ba33455e654ffb57f854e64572388e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022A | 10200 bytes |
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