MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or link-farming scheme. The presence of multiple external URIs and link farm heuristics points towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://synerhu.ru/uplcv?utm_term=wildest+dreams+piano+sheet+music+pdf PDF link annotation
- https://eksiliotomotiv.com/upload/ckfinder/files/28243135032.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/gejowoxetatifimota.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105130047423580.pdfIn PDF document text
- http://khanaphatgroup.com/UserFiles/file/43651544029.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/20923d05cc9b2fae6df7a21641418660/72409540330.pdfIn PDF document text
- http://uceng.net/_UploadFile/Images/file/tubit.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d917bd4a111---wuxupewop.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/walevepuka.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/qd0u2d8tqq187uhbu8umukt4u5/dipukudov.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a0151062a54---veganixamaba.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/7ef80a171c8e61be0667dfdbbfb4f1b5/58440198383.pdfIn PDF document text
- http://perilatomsk.ru/ckfinder/userfiles/files/50794746157.pdfIn PDF document text
- http://consade.com/userfiles/file/zefifibaf.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086862bb13f3---robibefureguxoxil.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093afd9f142a---44857013935.pdfIn PDF document text
- http://comp-art.ru/userfiles/file/rogukegurijakagowekeve.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/pajomowilol.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/razawiwonozubonukide.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/7bdeaj5rl9jj3l5ecr5ot6lshj/18113738806.pdfIn PDF document text
- https://klcmekatronik.com/ckfinder/userfiles/files/sosomin.pdfIn PDF document text
- http://gptools.net/userfiles/file/67255675361.pdfIn PDF document text
- https://aulacvn.com/upload/fck/file/3872974971.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/12306549863.pdfIn PDF document text
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072866275c14---lixulepuma.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_off0000c4ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD04 | 10976 bytes |
SHA-256: 47ea3edcdc9c25bdf2fdad5ffec022a705cddebcce61c2b9e81b6ce16a07d2af |
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font_02_sfnt_off0000f63a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF63A | 17636 bytes |
SHA-256: bc872cf3281b471f1a5dfd89412946545e54f95b093e734e87f26f81a0b48421 |
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