MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS upload directories, and a primary external URI that appears to be a redirector. The presence of a link farm on disposable hosting further supports a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://smidgel.ru/uplcv?utm_term=record+screen+with+sound+android PDF link annotation
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/90f8a1b9230c42fea216c5a091a8748c/latavodogumopa.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/87452561897.pdfIn PDF document text
- http://emannsltd.com/userfiles/rudewenumalaw.pdfIn PDF document text
- http://85560891.com/upfolder/e/files/20210918114621.pdfIn PDF document text
- https://acavacecio.it/userfiles/files/xorujisijafesiwepabude.pdfIn PDF document text
- http://iberryhomemade.com/userfiles/files/penesejigow.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/vbugkd96amo0jia9sdceusde72/65972085364.pdfIn PDF document text
- http://apnschool.in/singhania/downloads/file/fajabavojogojatejaz.pdfIn PDF document text
- http://e-park.es/img/uploads/files/15806840890.pdfIn PDF document text
- http://romangruszecki.com/uploaded/file/79646169114.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/gofaxidoxexexipiloliwe.pdfIn PDF document text
- https://iqrainternationalschool.org/_assets/files/ligapuwuduxejadop.pdfIn PDF document text
- https://ptogel1.com/contents/files/33046080303.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/50311977893.pdfIn PDF document text
- https://ximatinhdongnai.com/app/webroot/files/images/pages/files/43698254898.pdfIn PDF document text
- https://www.tahitotfalu.hu/ckfinder/userfiles/files/jepilawoluvumavexed.pdfIn PDF document text
- http://casaledellasignora.it/userfiles/files/701862412.pdfIn PDF document text
- https://sandipkumardutta.com/ckfinder/userfiles/files/87487868862.pdfIn PDF document text
- https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/66717131397.pdfIn PDF document text
- https://tvsporedi.si/vsebina/jejeku.pdfIn PDF document text
- http://www.rupankar.com/fckimages/file/popututegoluzikiwoki.pdfIn PDF document text
- http://hermandadperdon.es/userfiles/file/8823562273.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/161456764e054c---wolezomadokizipede.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_off0000b417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB417 | 17876 bytes |
SHA-256: e28ce2e1df68646b49c4841fd2cff27f8657cd813b7a3ee490f1ac2cb447c39c |
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font_01_sfnt_off0000e144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE144 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f95b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95B | 10652 bytes |
SHA-256: 49169e583c78910b4765eb28b9bb1ecb962b3ca5400b35e8dc6a7aec3ab0353b |
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