MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised CMS uploads. ClamAV and an ML classifier also identified it as malicious, specifically as a phishing trojan. The presence of numerous links to potentially malicious content indicates an attempt to lure users to external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://transbur.ru/admin/ckfinder/userfiles/files/58003799138.pdf In PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/5ababe4c2213188ae5608fcfa77f8249/nakuremap.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c62bb4572a9---pupaporilojizoburuvowajus.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741fee73dd8---20423470268.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afab13a4946---22826654818.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20210703092117.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/mbnqof23599mr85al5ghbllqrh/dukax.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607109479106b---77735261928.pdfIn PDF document text
- https://farmacieitaliane.com/documenti/file/8854869559.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608765fb08fd3---3737386685.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/vn7mg65ur4ptkece5gi1v59821/rawitowefufidinemexad.pdfIn PDF document text
- https://svetplus.com/userfiles/files/57636309819.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/7128549796.pdfIn PDF document text
- http://stevis.cz/files/file/lolitu.pdfIn PDF document text
- http://thevisionkharj.com/userfiles/files/32808257656.pdfIn PDF document text
- http://yuha.be/_files/file/84039825161.pdfIn PDF document text
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c594639954---bujuxoxodevakatojaw.pdfIn PDF document text
- https://la-klamm.org/userfiles/file/71883827569.pdfIn PDF document text
- http://azizavacanze.com/userfiles/files/xutiwerepanaxalajixe.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/2b7449bab681eb96ea2f1dde7ba0c35e/67396207413.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607af211ab7b0---nebomukunizejevolimej.pdfIn PDF document text
- http://bakoca.hu/files/file/rinimajaponikitetisagat.pdfIn PDF document text
- https://emprenderem.cl/files/lumavik.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=data+warehouse+questionsPDF 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_off0000f9bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000111cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111CD | 16264 bytes |
SHA-256: 2bf130a37b46ddbaf823dca2895e283a7556b94b2ef8e69c8483805ab770ab89 |
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font_02_sfnt_off00013c02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C02 | 10492 bytes |
SHA-256: 651e0dc7e2f2a9e08dc67282029a902ac45a3f5693c6584eeefe90c51cfdb17a |
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