MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The embedded URLs suggest an attempt to distribute phishing content or further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://qianshunqs.com/admin/upload/5193344229.pdf In PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/7d4678c4d8f9846e1cdacb0c550e1ba0/33336411860.pdfIn PDF document text
- https://lifeteacher.tw/uploads/files/202109032155358245.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a374dde4220---41990090003.pdfIn PDF document text
- http://suapaiatuipelehakefamily.com/clients/80707/File/xifemupadipitofofujuxow.pdfIn PDF document text
- http://bensonlandscape.com/editorData/file/daxirajuzepemo.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/2728f6807d9115c385db5f6d63af511b/keburizis.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609abd29f2d8b---sunajokevapun.pdfIn PDF document text
- https://mbbs.hr/files/nagakutedupu.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/2b526de7a2cf04e56f673d0463e8726b/morobo.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/zaxirapifiwotinote.pdfIn PDF document text
- http://crescentcarpets.com/userfiles/file/firoz.pdfIn PDF document text
- https://datenglagi.com/contents/files/29060850969.pdfIn PDF document text
- https://letstravelforacause.com/miet/assets/files/nevitozomabuju.pdfIn PDF document text
- https://emons-verlag.com/testarea/cwsCMSlight/media/files/sujubokinoj.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/2958886281.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607645d58a0bd---pogedepibaduliribo.pdfIn PDF document text
- https://shatalarab-llc.net/userfiles/files/xovif.pdfIn PDF document text
- http://toonesk.com/upload/14512917514.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/7f68258877774db76f47131941bf4dd8/ditexepokosuroximevowikap.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=chrysler+pacifica+2005+manualPDF 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_off0001186f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1186F | 11148 bytes |
SHA-256: 6948a1b3c079200c54b296a5933c7e1ef5b7dbbf3cb62c6b011b262eda586d71 |
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font_01_sfnt_off0001326b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1326B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014a7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A7D | 19740 bytes |
SHA-256: 5e09bb2f781600df6e214e52dc82d41627d60b0a5c09059952ec120f5acb9b4f |
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