MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF 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, hosting numerous PDFs on compromised CMS upload directories. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an attempt to distribute phishing or malware content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792dbfecec8---85954921624.pdf In PDF document text
- https://roeveragri.ac.in/wp-content/plugins/super-forms/uploads/php/files/9ffe1bb78317a7057e1932f80e42e2e8/17584743570.pdfIn PDF document text
- https://uleiuri.ro/userfiles/file/81405573700.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/dewalijafebiz.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/ee2c4471c55fc7175e10f6275ff7a530/29406451513.pdfIn PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210604_0F77C63E4E14865A.pdfIn PDF document text
- https://abeess.com/userfiles/file/77762399859.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/kijimox.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/97998637671.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/12779c9149e0776ade1b6ce24d641fe6/xivexivetinelemel.pdfIn PDF document text
- https://namlongadc.vn/uploads/news/files/zofitavusegeneleforeli.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/5d0a3ce9eaa57252374242ec0a99e44a/wegefikojalapokajeku.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/17h4uhdm9d79rfd0j0dibl98e1/83297471071.pdfIn PDF document text
- http://haciogullari.com/depo/sayfaresim/file/mukuputozixabima.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160893095c4d1e---14862903888.pdfIn PDF document text
- https://smallislandcurry.com/wp-content/plugins/super-forms/uploads/php/files/42b45c00754c918cfa846a7e1e619565/bulojunurimitoxiw.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/43da41dbe19143b492c1fb1284219ef3/kakawebedikabevifa.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608171fe6f20b---86689327045.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/6vibd6nuj11cpv8v5nntpkqiju/mirovimuzi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=free+us+tv+streaming+sitesPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d11c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD11C | 4988 bytes |
SHA-256: 96518134c2c248c78af81e4bdfaff0e996d8c344f4d40e7978e75f390eda04ae |
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font_01_sfnt_off0000e209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE209 | 10908 bytes |
SHA-256: 062332c6c043da3cc54b738dbc75c26eedb9d397544184826cb05bd824cc91fc |
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