MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of using disposable or compromised hosting for link distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://colorfulmedia.de/fotki/fotki/file/zotomituluwovalivigubeg.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d32aa3889f---98514448756.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a71717871d7---nejuv.pdf
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0aaa53493---74570570758.pdf
- https://kovtec.pl/eurostyl/photos/file/2757165596.pdf
- https://armagedonspedycja.pl/files/file/tekokazed.pdf
- https://greenlakepaint.com/ckfinder/userfiles/files/48724665011.pdf
- http://vzwsportenmuziek.com/content_docs/vowinawivejuronuxuburi.pdf
- http://animalscipublisher.com/files/upfiles/file/28890326122.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/vr8vd215kp8us7ng50doqa70ge/lusaxuximowo.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/1d9be1dc40843cc7b10ec430b929a3f9/81802237007.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607550cdcc62c---sivojudetaropimovosufugor.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984de519b3e---netabagisifinevix.pdf
- http://elskenecologie.nl/files/nujorugo.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac41c36f2ea---57269818698.pdf
- http://skupka23.ru/upload/m/xasisufalesutadavi.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/9cd033c9c9e18d5d7a36ec79de039267/buzowelutoxafono.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1c5e8bf91---jewerokedanurazufunifubir.pdf
- http://enjoyisagenix.com/ckfinder/userfiles/files/81395087954.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/76399920306.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/78jdmgqch0jdrsfjoc74muksq8/damoji.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d551b953ac---rabisukojigiziwefonofuvo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=repeated+eigenvalues+2x2
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/a0cff9a786b655f66ea41bfbc45879dc/tasuzodazaporimazosemuxa.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_off0000ea49.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA49 | 16792 bytes |
font_01_sfnt_off0001025b.bin009fb2c92ae5125a696a3020addfb51510a70c0c7d10002d5be4039c02568fe8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025B | 17508 bytes |
font_02_sfnt_off00013073.bin325257d4f83c7c22fb72c8069f23f756e03bd14ad24b284b2659c65550894691 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13073 | 10780 bytes |
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