MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS upload storage. These links likely serve as lures for phishing or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf8fa993dd---43818550237.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/sssbdt3i83srq2htjkrjp15fgi/kikimejipupavosibukol.pdf
- http://aksaaydinlatma.com/img/editor/image/file/58060832830.pdf
- http://alphasigmaoverseas.com/userfiles/file/29436144141.pdf
- http://biafrapol.pl/pliki/file/turituxufifuwijase.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/841c2d325dd210fbf58c6be22a752302/nodugekazakorinikedidewe.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f4cfbf232---kikutipozomivamuroto.pdf
- http://chinalanpa.com/images/upload/File/xajetajavesupirewakeri.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/a36d0c8f413426edbc9f36acc77cb11e/5792856333.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160adb5bc882e8---womuvojedoxufilutesiluba.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4126a68c1b---64939052825.pdf
- https://aawyx.com/sites/default/imageuser/file/wulorapite.pdf
- http://grandchainfamilyfoundation.org/clients/85333/File/guzetimetesodi.pdf
- http://donaldbermanmaimonidesgolf2020.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/konagesi.pdf
- http://qzgj.cn/upload/file/bonilu.pdf
- http://rund.cz/UserFiles/File/7236337212.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fd20b1dd2---gegidozak.pdf
- http://asbufestival.com/uploads/FCK_files/file/71749088946.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e3a33d6a5bbf8f08025634bfaf710976/zedukuzumokusuduzatuboba.pdf
- http://beijinghuojia.cn/userfiles/file/zuwusizovivezelapineza.pdf
- http://kristenpell.com/userfiles/files/savagalamelokulek.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085d1a9738df---56382506387.pdf
- http://www.hydro-tg.pro/upload/file/bafav.pdf
- http://mobiliteit.nu/files/pitovovidunoref.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=depth+first+search+tree+traversal
- 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_off0000d933.bin5ee816ab693fa2e2baa68883c28679355c5a8815569c980dca6942016b482eda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD933 | 10420 bytes |
font_01_sfnt_off0000f104.binaa39ecddff49a8a0fa7ac89132e431f6e77c8326dd92a196afa6b39247d67199 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF104 | 19112 bytes |
font_02_sfnt_off00012339.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12339 | 16792 bytes |
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