MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary lure appears to be fake software downloads, as indicated by the 'utm_term' parameter in one of the URLs. No scripts were extracted, but the PDF structure and numerous external links are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://crysiq.ru/uplcv?utm_term=minecraft+pocket+edition+free+download+apk+android PDF link annotation
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/87020d5df49c4bfee170106c0c6f3d88/dofejixuzatodusote.pdfIn PDF document text
- http://kusadasidentalclinic.com/img/userfiles/files/gulifad.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d81c887a7651b508f7828e504c1c578e/57493290295.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/95521783895.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/b0012b1f22040290847b5054c5bc5b59/1157659572.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160907940809f5---18544787525.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/zetegixa.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/9899687508cec888df22f2321a810f86/26009550839.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b3edb17e64b---48366434818.pdfIn PDF document text
- https://yellowstonewildlife.com/87646319083.pdfIn PDF document text
- http://ansing.nl/userfiles/file/sejotofakojipu.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/bvca3isah7phdudla6hdam4kp0/60403458080.pdfIn PDF document text
- http://ural-resyrs.ru/data/file/29556087912.pdfIn PDF document text
- https://laser123.com/geektic/files/94338120113.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/hniv6j9ia0jusj45bvme3c5el3/belasatopemojamaxisale.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/derusuwo.pdfIn PDF document text
- http://stewartreunion2020.com/clients/2/2a/2a0d9dcdd57715375c9f4393c24df0f2/File/mavowufot.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e734724d3c---lizorekigejaw.pdfIn PDF document text
- http://growourworld.com/clients/83159/File/7029553125.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/96f82f7f0c73d9f423f3b7bf290323c8/ledizotixukipifev.pdfIn PDF document text
- http://naviway.su/upload/files/62812357256.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160989e015e70c---71102935679.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dd857523963bdedc6c418d861ef9895c/28043540258.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_off0000de41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE41 | 27664 bytes |
SHA-256: 2551d0bf87ac9f1727282b4499ad19c354a116d358a55e151fd27c421a1130e3 |
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font_01_sfnt_off000116c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012eda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EDA | 10616 bytes |
SHA-256: dd92a860161eca2653031b9447ff208bfc595f0a8955c9b8e8c04e9ab541fe03 |
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