MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Numerous URLs were extracted, many pointing to compromised CMS uploads or disposable domains, indicating a link farm designed to redirect users to malicious content. The presence of 'utm_term=hack+mod+apk+games' in one URL suggests a lure for potentially unwanted software or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://nomylo.ru/uplcv?utm_term=hack+mod+apk+games PDF link annotation
- http://predit.ru/admin/ckfinder/userfiles/files/ritelofutajob.pdfIn PDF document text
- https://www.milestonesmn.org/ckfinder/userfiles/files/maleserakalebar.pdfIn PDF document text
- http://lnimeina.it/userfiles/files/birubodikarekosaliw.pdfIn PDF document text
- http://holzbau-napetschnig.at/guvurotapazunomose.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365d45aa981---68029217290.pdfIn PDF document text
- http://tjchenxing.com/filespath/files/20210914113210.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/2ed8102a9a659a90fa3c179227281b3b/31296624617.pdfIn PDF document text
- http://logicamail.it/draft/media/tumubazedomulemixemepimas.pdfIn PDF document text
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/37252882362.pdfIn PDF document text
- https://kasihpaham.com/contents/files/63196127980.pdfIn PDF document text
- http://sunnyten.net/userData/board/file/kesewoma.pdfIn PDF document text
- http://atlonnuri.org/UpLoadImage/editer/files/37148665738.pdfIn PDF document text
- https://funbugs.ie/files/file/waporolosunow.pdfIn PDF document text
- http://magendans.com/imagefiles/file/vovim.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3a7549a4c---wibonosirakodexesolikor.pdfIn PDF document text
- http://filtrydokoparek.pl/img/all/7668503594.pdfIn PDF document text
- https://dunakanyarfesto.hu/ckfinder/userfiles/files/vilusarazabamesuroviw.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/9dd369c0e09e0ec1319f24d3df3bae55/42738893884.pdfIn PDF document text
- http://domadoma.cz/userfiles/file/79312856873.pdfIn PDF document text
- http://nhatminhtrading.vn/app/webroot/uploads/files/95861644860.pdfIn PDF document text
- http://www.medicellbank.com/userfiles/files/tolovatemajatanimotizego.pdfIn PDF document text
- http://cuoredicane.it/userfiles/files/gowufoverutozatabe.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_off0000bcda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F1 | 10500 bytes |
SHA-256: ac6fd81ceb9de6ed2a792c15ce64b308d0b36fd995e5c0bed39e5e88f11d4abc |
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font_02_sfnt_off0000ec9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9E | 17696 bytes |
SHA-256: 4d9c9c01241192fdca8d6458ed401dd2baf4e29c52c630f7f41a65f118c250f8 |
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