MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which appear to be hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, suggests a lure related to a 'possessive pronouns worksheet 7th grade', which is likely a pretext to direct users to malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://krisoc.ru/uplcv?utm_term=possessive+pronouns+worksheet+7th+grade PDF link annotation
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/dlg3ve85bjr6l83ophdk3rr4r5/30850029218.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/54639229881.pdfIn PDF document text
- http://pc75.net/upfiles/file/1621650726.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/4da8beff4d27e2c4fa7f0d9106f4023a/61869110525.pdfIn PDF document text
- http://4grd.com/cmsimages/file/lepuzewerimulafufotutesa.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091aafb8c26c---78097194338.pdfIn PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/ae672c5792d45a910c0140e980527677/31454803173.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080eb726a9fb---48989067306.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/5c51k8jq2gamipmp6o2hp61hbh/sirexelataxitukosin.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/72371264188.pdfIn PDF document text
- http://www.toptehnik.si/images/wozuwezoleguzal.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/c902d822e94167955e30988899cc1cf8/zuvewofadonalev.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/781da6809abf76335e62fae44386f4c4/nesovanulorufavutozi.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/6e8eeafabac26678334507ef07eeccc7/lulomemoxelin.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f7da927c0---bawasagisuvotosokarixe.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/fnppt8tv61pb5terb5r0s709k9/xexexisaxibiji.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/j0vj71h3un5d6gm9cd9avss6m0/jozenevuruwu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cccd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCCD | 5484 bytes |
SHA-256: 479a9e6208d619c0beaae6e573146b0e0d4099868bcc6ff9c58f8a3a0102317d |
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font_01_sfnt_off0000df8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF8F | 10356 bytes |
SHA-256: 7bb84ff22bd6cabf7e81742b28075d07bd020d9a4dc9d6243c4065a159780a49 |
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