MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress sites and disposable hosting, suggesting it's used to distribute further malicious content or phish users. The embedded URLs, such as http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/5baf70ec59b87ca8801f2e1f91966bac/87924102322.pdf, are key indicators of this malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c27883488d---wofosupis.pdf In PDF document text
- https://bluza-shop.ru/content/File/tekokod.pdfIn PDF document text
- http://megaeventoa100.com/clients/f/fa/fa03970f5feff24be7017758158681b9/File/12683366491.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608319e2195f4---norolesevufusipep.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d2d8b6999b0---mopolidazem.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/hi9f9dpvcrb8u9t2chopn91254/77051356953.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/7d9470881f60315cfbef8e78b9e3048c/boruxuregesemosaxi.pdfIn PDF document text
- http://teknis.it/userfiles/files/96856854472.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/safadixa.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad07996cf8---luzozejazazasemisu.pdfIn PDF document text
- http://haniltm.kr/upfiles/editor/files/nifirovumupunojedanapene.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/5baf70ec59b87ca8801f2e1f91966bac/87924102322.pdfIn PDF document text
- https://antae.be/app/webroot/uploads/file/wujunomunirodezekapazono.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/ca85b499dcfd34f18e37b72d257165b6/70667297541.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16078ac8c23eb5---61591238969.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c40657afd50---8388232567.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/4be8f1f4b015f66df4d477cc8108035f/690347332.pdfIn PDF document text
- http://2016montemayorreunion.com/clients/e/e5/e530e98a7ee505477716bae2fe71cdef/File/5480660760.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fbcc2929d---9698711942.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd9c6dcfc5---jakulojabaz.pdfIn PDF document text
- https://c-effeimmobiliare.it/file/notowetiwidisufeda.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-5-23/20210523173314802364.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/9h6rl4ttet55hgtvdtdmp7snm1/biwuguwomuge.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8eb30493d---36292410644.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/fa05777d96a3a2c7fcd109b45b939025/xonamasisitu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=friends+mother+nudePDF 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_off0000c0c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d8d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D9 | 10384 bytes |
SHA-256: 88b42c5f29a6ec628ef059165c4b18298d29b9da759ed9072d110e7e2b698062 |
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font_02_sfnt_off0000f018.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF018 | 16108 bytes |
SHA-256: a7b5962fe510ca5fd9fd37c0bff430241069fed04949d28ed2217006468e8887 |
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