MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://vip-cond.ru/userfiles/file/3708896436.pdf In PDF document text
- https://duhocblueocean.vn/ckfinder/userfiles/files/27548655915.pdfIn PDF document text
- http://abpaluso.com/upload/file/zuxaraxutenokes.pdfIn PDF document text
- http://inica.org/files/file///75423736966.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/xusamosofepe.pdfIn PDF document text
- http://roseeskin.com/userfiles/file/20210903015423.pdfIn PDF document text
- https://btegypt.com/file/naxini.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/78628067183.pdfIn PDF document text
- https://markapin.com/calisma2/files/uploads/kuzevipobixagixomo.pdfIn PDF document text
- http://angelofthewinds.org/ckfinder/userfiles/files/58984753466.pdfIn PDF document text
- http://cabini.it/userfiles/files/5416114848.pdfIn PDF document text
- https://sistemagestiondpr.com/userfiles/file/wasidavazujanolulozuse.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/remazoferur.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613620e0d1452---84632544630.pdfIn PDF document text
- http://reicar.dk/userfiles/file/fusogovikatititomusi.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/liserumo.pdfIn PDF document text
- http://pharmabiosolutions.com/filespath/files/20210919221916.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/pazukebusatasufe.pdfIn PDF document text
- http://1qjd.com/upload/files/2021-09-14-04-48-13-Yvr7lOkX.pdfIn PDF document text
- http://48bulls.com/js/upload/files/bekutovej.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16141fc456e705---36943215562.pdfIn PDF document text
- http://mmsmarin.com/imgimage/file/65161365673.pdfIn PDF document text
- https://euforbiabulgaria.gbinvest.net/uploads/pages/files/6055161327.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161363887cf50c---penifinedemuzebex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=transexual+gold+coastPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eba0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000103b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B2 | 18356 bytes |
SHA-256: 364e2e8ac7841efd5cce3bbb21ccedb464e63bbfea908b2f447a057c0a8e70d0 |
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font_02_sfnt_off00013293.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13293 | 10620 bytes |
SHA-256: 4d7b24b9480e3accaff21a5b8ceaa7dc8bab64d92ed5f9726989620b8807a822 |
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