MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress upload directories and disposable hosting, indicating a phishing or scam attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The primary attack pattern involves directing users to potentially malicious websites via a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://allytemp.ru/uplcv?utm_term=signal+video+group+call PDF link annotation
- http://yuli-china.ru/d/files/nijala.pdfIn PDF document text
- http://aspbae.org/userfiles/file/57441964180.pdfIn PDF document text
- http://quranday.org/userfiles/file/sixamepu.pdfIn PDF document text
- http://luatsuphutho.com/upload/ck/files/jizonesorevaxavobojoz.pdfIn PDF document text
- http://ekhoron21.mn/uploads/files/tajelajeravujiroxu.pdfIn PDF document text
- https://vsevolozhsk.mebel18.com/uploads/files/kosexumake.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613067e8c5e2a---47931074584.pdfIn PDF document text
- https://bibonatura.hu/ckfinder/userfiles/files/totofefozo.pdfIn PDF document text
- http://dansungsala.com/uploads/files/befuzovekoberalob.pdfIn PDF document text
- http://www.srijonihealinghome.com/fckimages/file/65147249345.pdfIn PDF document text
- https://km2804.com/ckupload/files/31160058992.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/tmt3lk74p8gjge64r895rvo201/10796177879.pdfIn PDF document text
- https://mrdak.cc/uploadfile/files/27345897500.pdfIn PDF document text
- http://rund.cz/UserFiles/File/36438199744.pdfIn PDF document text
- http://lsphc.com/userfiles/file///47746390844.pdfIn PDF document text
- http://geoodwierty.pl/files/file/1817149783.pdfIn PDF document text
- https://napraforgohotel.hu/upload/file/16435169357.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-9-2/20210902112412783364.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/9fr3q22ldefaqm1no5fkk0lusq/31733872509.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/11/rokigixefebidixa.pdfIn PDF document text
- https://mamap.in/ci/userfiles/files/27600811207.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/38472042367.pdfIn PDF document text
- http://egyptlance.com/userfiles/file/40965193335.pdfIn PDF document text
- https://rivieresoceanie.com/userfiles/file/21055495772.pdfIn PDF document text
- https://s-serviss.lv/userfiles/file/74471387970.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202109041359141133.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_off0000d133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD133 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE945 | 17708 bytes |
SHA-256: a82c1618a236f8de30e7c9f3d7f6028c0d59896eaa3cc5e9173d3afabd98e300 |
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font_02_sfnt_off000116ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116BA | 10664 bytes |
SHA-256: b77069a36b978508f5cd68cf22621df1234c7da987966e48589ba73a4737e3e7 |
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