MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and potentially disposable hosting. The primary purpose appears to be redirecting users to external sites, which is a common tactic for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/r5c4c16115gdim507ktt7vo2a3/84909501111.pdf
- http://synerfreight.com/syner_upload/images/files/27188816144.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdea70487a2---guxunadefewajowinexixo.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/668f2eacefbdb9fa5643594d89ccdd5c/bawelunijolosuwa.pdf
- http://romanakladatelstvi.cz/userfiles/file/39389466013.pdf
- http://studiolegaletrotta.eu/userfiles/files/sukakenikix.pdf
- https://uppersanduskyrotary.com/cms/files/File/68979160306.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c711553f23c---25265590979.pdf
- http://abpaluso.com/upload/file/83195286000.pdf
- http://rgn2u.com/userfiles/files/32878260520.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3ff31cbc5---lasezekalelovobeg.pdf
- https://jpjplumbingandheating.com/FCKeditor/file/84714622975.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a6fc8fafa---dowazakulupe.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607820b8e9d10---kepokuxuname.pdf
- http://airfa.it/userfiles/file/wiguletapizomolivuzem.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160833282dc46d---xezawugidisadivawemedi.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160927346e339e---3427340007.pdf
- https://emilline.dk/ckfinder/userfiles/files/vajejelotesoguragozuf.pdf
- https://wsbtitan.com/images/file/92452363374.pdf
- https://xetnghiemadndanang.com/upload/userfiles/files/30650299616.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc9d0c7a5d---vuxibux.pdf
- http://www.toptehnik.si/images/fitul.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b7114ea0362---67220385708.pdf
- http://harissarantis.com/userfiles/files/fupinirimiwosofud.pdf
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/11c10e79aabdab0ce65940e0ebcada17/14568619657.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/dffb5a06085ad84808ab57dcb0d88d63/33134312083.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=networking+questions+for+interview+with+answers
- 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_off00010b52.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B52 | 16792 bytes |
font_01_sfnt_off00012369.bin537960594f4e35a059176c8a74308e2d4fc93c86179bdfab0b741c21476f56c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12369 | 10912 bytes |
font_02_sfnt_off00013c6b.binaa821a3da4a716954fca90f4dcc473d1404a030ac9ab9a5c2a2e3943b4418e6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C6B | 17636 bytes |
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