MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm on disposable hosting. The embedded URLs and the document's structure suggest an attempt to redirect users to malicious sites, likely for phishing or malware distribution. No scripts were extracted, but the PDF's nature implies it's part of a spearphishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.7217
Heuristics 4
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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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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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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://smidgel.ru/uplcv?utm_term=php+zend+framework+tutorial+for+beginners+pdf PDF link annotation
- http://indigobaby.eu/upload/files/nubon.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/57863358350.pdfIn PDF document text
- http://akgdsgfly.pretty-match.com/upload/files/zubare.pdfIn PDF document text
- http://jingyilin.org/uploads/file/pugefemobupabijupi.pdfIn PDF document text
- https://glamweddingdesign.com/userfiles/file/58269295696.pdfIn PDF document text
- http://eortak.com/img/fck_temp/file/vadupusu.pdfIn PDF document text
- http://epmresearch.org/userfiles/files/suziwalopetivexagufutivi.pdfIn PDF document text
- https://rugerwafers.com/demo/ruger/beta/userfiles/files/46065800808.pdfIn PDF document text
- https://eagleegg5k.com/ckfinder/triplebuserfiles/file/46174649628.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/161543f1a3f749---13350259347.pdfIn PDF document text
- http://dzirerealtors.com/uploads/38955815378.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/54224489415.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/nikerigijefo.pdfIn PDF document text
- http://taigesw.com/upload/files/33050889117.pdfIn PDF document text
- http://eotp.info/sites/default/files/fck/file/bofeliwulod.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/81405319880.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/tivoxiki.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/rudalilugikodade.pdfIn PDF document text
- https://pima-alarms.rs/slicice/file/57560308427.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/0a3dd78264499702f8c43ff94a7f1ad1/30001024507.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/87401001160.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/70012719744.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/6569183881.pdfIn PDF document text
- http://hengtongrongshang.com/jingkelun/userfiles/files/20210902234800.pdfIn PDF document text
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/19746587161.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA94 | 11424 bytes |
SHA-256: 4e74dd65a20b7626697c893626f00e2cac0c3dc45be1e08395bd458f9b0e3fab |
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font_01_sfnt_off00010504.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10504 | 19572 bytes |
SHA-256: be7de7359535821736d6a50bfa210b05e0d8fb9a09cc9ba7ba68fb89a5c55db4 |
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