MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous external URIs and links to compromised CMS uploads, indicating a likely intent to redirect users to malicious websites. While no scripts were explicitly extracted, the nature of the heuristics suggests potential for embedded malicious content or exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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=putting+too+much+effort+into+relationship+quotes PDF link annotation
- http://dansungsala.com/uploads/files/sajopabesaguv.pdfIn PDF document text
- http://neo-net.info/giganet/files/file/93010085151.pdfIn PDF document text
- https://nidi.mk/ckfinder/userfiles/files/dovufedivejidovetawuj.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/9962431938.pdfIn PDF document text
- https://chambres-hotes-aube-bleue.fr/userfiles/file/45255210340.pdfIn PDF document text
- http://tt-ural.su/admin/ckfinder/userfiles/files/relapijogarijinokobuje.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/0be90fa596d9367cddb9ee6614178b9c/faworaxurevavegivuna.pdfIn PDF document text
- https://peiitw.com/Upload/ckeditor/files/pijagudegoxupoxezasixa.pdfIn PDF document text
- http://qamsar.org/userfiles/files/92635912369.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/9386575536.pdfIn PDF document text
- http://e-motyle.natura2000.pl/imgturysta/files/xigibi.pdfIn PDF document text
- https://purefeeling8.com/data/file/wubew.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152d39cbd262---58318207384.pdfIn PDF document text
- http://colonia-hausmeister.de/uploads/files/44824872600.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/83a0e942f23a109d1e37e9f1a1dd64e1/80929576161.pdfIn PDF document text
- http://nenkin-t.com/upload_img/ck/files/18497306907.pdfIn PDF document text
- http://lamorenj.com/userfiles/files/juxirabatatuwuvakezu.pdfIn PDF document text
- http://perseverance.cyou/updatefiles/file/xaruvolonodavit.pdfIn PDF document text
- https://chasehr.in/userfiles/file/zotidavisikefimese.pdfIn PDF document text
- https://learningsolution.ca/userfiles/files/jugixotuparemitoxiviro.pdfIn PDF document text
- http://antopol.topmebli.com/content/xuploadimages/file/9539479610.pdfIn PDF document text
- http://urduhadith.org/survey/userfiles/files/damexow.pdfIn PDF document text
- http://vo23.ru/upload/file/40940728609.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f8160e66cf---nazana.pdfIn PDF document text
- http://brilspa.ro/userfiles/file///69933431601.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_off0000b301.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB301 | 18032 bytes |
SHA-256: b167fbbca0185261f9f9c24338cae2a215d8ad7a6011adec02c047195ae77687 |
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font_01_sfnt_off0000e155.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE155 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f96c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF96C | 11176 bytes |
SHA-256: c91772edf8f89303e486385b82e751257dc24f6cbba15ec493adecb0f2f06cda |
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