MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites or use disposable hosting, indicating a link farm designed to distribute malicious or phishing content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://armature.ir/cache/fck_files/file/totidekelo.pdf In PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16139fa3a12e9b---zuzebosa.pdfIn PDF document text
- https://bbox.ru/images/shared/file/57012474822.pdfIn PDF document text
- https://vrrc.heart.net.tw/ckfinder/ckfiles/files/vowikuve.pdfIn PDF document text
- http://uni-farm.pl/ckfinder/userfiles/files/93050512320.pdfIn PDF document text
- http://mothertheresapublicschool.com/userfiles/file/ralilawaguzejevigajifaxi.pdfIn PDF document text
- http://flashdisplay.net/UploadFiles/FCKeditor/20210912123408.pdfIn PDF document text
- https://bak.vn/upload/files/1860952211.pdfIn PDF document text
- http://www.protectakoteasia.com/ckfinder/userfiles/files/84021510597.pdfIn PDF document text
- https://suma.ca/upload/editor/file/3987579223.pdfIn PDF document text
- http://sooam.com/files/fckeditor/file/92120858861344c64a40ba.pdfIn PDF document text
- https://penmypoem.com/new/admin/uploadfiles/file/58925557598.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/dumoradojifavelasu.pdfIn PDF document text
- http://coomargroup.com/ckfinder/userfiles/files/27602963864.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161393ac0640e5---kopebewitazidal.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210910221246.pdfIn PDF document text
- http://norilsk.torbay.ru/images/uploads/file/13421238238.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/79048485676.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/bd496770971f7bcf6ee05852b4bae241/91537791105.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408fe2e434b---12591487270.pdfIn PDF document text
- http://www.wiz-fac.com/uploadImg/file/5985642230.pdfIn PDF document text
- https://karinbentum.nl/uploads/file/zanexogenijusof.pdfIn PDF document text
- http://reklama-v-sochi.com/ckfinder/userfiles/files/13437070636.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=box+fight+free+for+all+codePDF 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_off0000b51b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB51B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD32 | 10640 bytes |
SHA-256: 15d9ee00596a7270eb66bff6bf3e2c5efa04583f1920c629e099b2c12868ae05 |
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font_02_sfnt_off0000e586.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE586 | 14604 bytes |
SHA-256: 2eccf2278c0288ed416131a3de78184449b915dd3a1e987a1586cb61e09ac0fd |
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