MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The document body is unreadable, but the heuristics indicate a malicious intent to redirect users to external, potentially harmful, URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://bulgankhangai.mn/userfiles/files/bidowinozanisaduwobomeban.pdf In PDF document text
- http://bright-mineral.com/uploadfile/file/2021091304180487.pdfIn PDF document text
- http://jjkxmy.com/upload/files/202109072303472471.pdfIn PDF document text
- http://mousike.it/img_ins/files/37188138892.pdfIn PDF document text
- https://amt-alarmy.pl/userfiles/file/69603934120.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141dd8f02fe6---wumajozunubowiwizoteji.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/18718878738.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614150e71615a---36780979243.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/wukupuxapisipenam.pdfIn PDF document text
- https://safarekhoob.ir/basefile/safarekhoobir/files/50918749199.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/76532257122.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/165b66c28bf4460b2ca1633a14c4263d/81808029198.pdfIn PDF document text
- http://imobilestore.de/userfiles/file/84565296663.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/99d85a1949b07b2e84b6d55f788a206c/40483127580.pdfIn PDF document text
- https://ww150006.linebot.net/upfile/files/20210911074702.pdfIn PDF document text
- https://beyondpins.com/calisma2/files/uploads/83214556530.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/71909016559.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/20707244300.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/12611580716.pdfIn PDF document text
- http://htbestcomputer.com/media/ftp/file/28860242031.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/161310046cbee3---rozudatixakonakuza.pdfIn PDF document text
- http://zjgjqmr.com/v15/Upload/file/20219131511479183.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+regain+deleted+contacts+in+androidPDF link annotation
- https://www.rt9.rspo.org/ckfinder/userfiles/files/dazawaxojutoz.pdfIn PDF document text
- 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_off0000e002.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE002 | 18460 bytes |
SHA-256: 72f0c2a889ca2791c98cd86472a71e1e3e5820f9a2764494e7bef98d80d1e0e7 |
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font_01_sfnt_off0001104a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104A | 10624 bytes |
SHA-256: bced8334492576255b65feb7e693ab50a72d43215e23371f7bfba7d2d7314487 |
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font_02_sfnt_off00012880.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12880 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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