MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, with multiple URLs pointing to potentially compromised or disposable hosting. The presence of 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' suggests an attempt to distribute malicious content or phish users through a network of deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.8346
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://aaykpn.com/uploads/editor/files/wamikope.pdf In PDF document text
- http://villahetzwartepaard.nl/survey/userfiles/files/99442315056.pdfIn PDF document text
- https://garraldaarquitectura.com/garralda_userfiles/files/bivij.pdfIn PDF document text
- https://bwawarszawa.pl/upload/file/49124751450.pdfIn PDF document text
- https://ratodua.com/contents/files/21158864259.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/202198928532560.pdfIn PDF document text
- http://barcabianca.eu/upload/file/nominoderawumulefexaf.pdfIn PDF document text
- http://goksirkrupskimlyn.pl/img/upload/files/16545693927.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/gorupudimawijamovotu.pdfIn PDF document text
- https://ratosatu.com/contents/files/78670233970.pdfIn PDF document text
- http://beverly.kopanramen.com/uploads/files/tolefagulivogemifoxek.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/2fkjt1m6c65qi8hck2u62t8f7a/piliwanisibenuleberisek.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c82c5897d---17237829219.pdfIn PDF document text
- https://tectrongim.com/uploads/file/sudomorisina.pdfIn PDF document text
- https://maintogelonline2.org/contents/files/kefojasukugigekegedepusir.pdfIn PDF document text
- https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/81164542423.pdfIn PDF document text
- http://d-a-s.cn/userfiles/file/24922312084.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/04/zaxapofonigagejagitefowi.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/xujupomakogoka.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614194aacaefa---sagex.pdfIn PDF document text
- http://emblem4home.com/UserFiles/Member/File/mulufizupepefep.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16139c3422ab53---80067227722.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=tomtom+navigation+android+apkPDF link annotation
- 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_off0000b57d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB57D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD8F | 16424 bytes |
SHA-256: cc72236b21902612a3f75234c21a06098269006e855d197e98f2a014a130dd37 |
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font_02_sfnt_off0000f7e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E2 | 10508 bytes |
SHA-256: c8fd69382c92d411334ea49c290ab054332b0bb386b678d29442a408e16abbd5 |
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