MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the primary attack vector appears to be directing users to external malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://sharkovinkom.com/sharkovinkom.com/ckfinder/userfiles/files/59505668656.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/a2hb1f4q2uc8aegd2gneea9fsd/bikedapes.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b9c332fff---zigufixufogoxor.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/eavfotic1hsitf98cu66mjnsd2/1754066579.pdf
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/f18b0e2df58c87591c904eac108794f5/78858372014.pdf
- https://comobrew.com/newsite/images/user_uploads/file/fivolug.pdf
- http://hoclaixebinhthuan.com/upload/contentFile/file/tebinexolategir.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad227d1b79---461791759.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/bl3h44o70hv047vl21hrb3crg8/89523506099.pdf
- http://malopolskiszlakwinny.pl/upload/File/27899820637.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe7e42d7923---rurepubolafakud.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/qu3n9c99ef3q3ds533mle1na2h/nebivaluvexidinifabolelak.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16077428ed11b3---99198696217.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608b368dc66e7---kidemebuvated.pdf
- http://barcelonasixtytwo.com/userfiles/file/1402830150.pdf
- https://jungleflightchiangmai.com/Uploads/files/lateduxo.pdf
- http://aydinservis.com/ckfinder/userfiles/files/78589100629.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/07cd716f006164ac20d2904129ea3057/fivegawizukodosemavan.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/01e036c8e3d1e7462ea37122435a23ee/8002349817.pdf
- http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/6797101339.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/bp4m34re0n6fejpdc05n1s5nc1/7342036664.pdf
- http://ridendo.cz/files/file/bexitevapopixadukadi.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a61316e7e9b---66762021775.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=pdfbox+python+api
- 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_off0000c275.bin82c4b14982b838a980d55833ad9ac6ac91b7ec3fca7033e6bfeba1e8eda122f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC275 | 17124 bytes |
font_01_sfnt_off0000ef26.bin4ad8967298cf3fb6204790d628a96babdb1fe2a5518ee916d53e349f93700bb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF26 | 10504 bytes |
font_02_sfnt_off000106b9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B9 | 16792 bytes |
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