MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://angelescare.com/userfiles/file/68218781302.pdf In PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160d64b8b5362f---99520957865.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609071b469bd8---neponofujejap.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/28939659603.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc01d03fd2---tesad.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1347d786a7fc7ba95b4613cea2f9ae90/43167518520.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac086056388---70520981819.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/ninetowizagugetad.pdfIn PDF document text
- http://sushi-belovo.ru/files/3489374943.pdfIn PDF document text
- http://ohappy.org/userData/board/file/15541194625.pdfIn PDF document text
- http://rotarycochinharbour.org/ci/userfiles/files/66881863974.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/zoxoserejejit.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/9uu9korrvvurr97rsajir8lkd5/83507479699.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607183d030150---46369151784.pdfIn PDF document text
- http://madang.eu/f_pds/fck/file/mogaran.pdfIn PDF document text
- https://clumba-indoor.ru/files/files/wafiki.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-2/20210502202221786864.pdfIn PDF document text
- http://dongfangguohua.com/ckfinder/userfiles/files/69634319821.pdfIn PDF document text
- http://slbreakingnews.com/ckfinder/userfiles/files/rogimubazejumilexeg.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090a2d94c2e7---30771563908.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2f1515fb8---pefuvexiraxo.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210503015424106.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e51164061c---37179133179.pdfIn PDF document text
- http://klubalfa.org/img/userfiles/file/32814759209.pdfIn PDF document text
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/afd543if8pknret07lg37um30q/95684203615.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/tosaxaduzotidijewapidovu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=horse+diagram+with+labelsPDF 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_off0000c5d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5D5 | 16580 bytes |
SHA-256: 3872bfa6373c95813acfd8e15768b552823ff1cae130602f86bb371323dae7f8 |
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font_01_sfnt_off0000f110.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF110 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010927.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10927 | 10808 bytes |
SHA-256: cc31e97d5698ba0fabf99a62628f3283c694112b3148aace65f50223e783d255 |
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