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 sites and other potentially malicious domains, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV also flagged this PDF as malicious, indicating a phishing or malware distribution intent. The document body is heavily obfuscated and appears to be generated content rather than user-readable text, further supporting the malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/c9cba3bb57ad9614ba2baabe5bc7ea0f/21610445599.pdf In PDF document text
- http://womenscouncildallasarboretum.org/clients/85748/File/tikogagumidadabivitofenok.pdfIn PDF document text
- https://eletmodguru.hu/files/files/26793352025.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608059e813ce0---90048486784.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/ebd1a6b0c93d4787503ff31f6b303976/22028506165.pdfIn PDF document text
- http://ahchala.com/img/file/899157249.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160874b15bf7ee---zapomomaxil.pdfIn PDF document text
- http://allycatering.com/userfiles/93491251904.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c305a1047---84263012411.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/13d5b132e0d2f2c0c68dce4d50473030/12658717297.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b43f67696f8---14075237160.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160d56e4bbd0b9---78564741564.pdfIn PDF document text
- https://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/511bf77f4a9da8b6f90682a3696d8845/depufowuxixitugova.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/co20ae4vuem489e3kbdtbn3658/53499691219.pdfIn PDF document text
- http://cathayred-csr.com/img-cathay/files/wejawavefekerexig.pdfIn PDF document text
- https://noblacklist.pro/web/img/podborky/files/14831358418.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160c0046baf169---nigopadadugisolupok.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/15b201794729b8f165c7689ed54474eb/26085671695.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c68e979451565be3d40752762c3c2a64/792202232.pdfIn PDF document text
- https://basalyemek.com/ckfinder/userfiles/files/dexej.pdfIn PDF document text
- http://100gastro.cz/soubory/files/fuzupipetafimivexe.pdfIn PDF document text
- https://aykutemlak.com/upload/ckfinder/files/95571666919.pdfIn PDF document text
- https://saatyapi.com/upload/ckfinder/files/59215352350.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdbd0481f6---83365570007.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b70ee3aa021---21939374009.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9572101de7---3187127066.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=nouns+worksheet+for+grade+2+with+answersPDF 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_off0000e08e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE08E | 17276 bytes |
SHA-256: b4629c0f3cd2544961fb54693711c406bbe1e60db433339a50104fbc3fad11dd |
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font_01_sfnt_off00010d1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D1A | 10960 bytes |
SHA-256: d79c141de360305657b526081b82977ef0e90e5e18d5123b729b521eada7893e |
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font_02_sfnt_off00012679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12679 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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