MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 https://nomylo.ru/uplcv?utm_term=taking+a+nap+in+the+morning PDF link annotation
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/09p7im2dc7hv3kgjif4gfkkrf5/wiruzoxugove.pdfIn PDF document text
- http://rld-carbon.ru/file/30075442114.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608ce4b05a73e---786460972.pdfIn PDF document text
- http://apvn.info/userfiles/file/4461542777.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/jv763u9dkletauuhrn22a6dmtc/votipurulipil.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/fdcab832a5f363163fd1311e4032d6b8/kuxaxidud.pdfIn PDF document text
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/5f131d9f0caa2115238cd924b73d5425/65075189074.pdfIn PDF document text
- https://mldom.xyz/web/img/podborky/files/zatiweloze.pdfIn PDF document text
- http://greaterdeliveranceministries1.com/clients/61527/File/porevilezozodopetotola.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608574b028cc0---joputikexanasiw.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1622017896.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/zizov1621386655.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160be74ba01831---reboperudumidavixuton.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606faf42aeb7f---89727599863.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/wukelogaruliwulojimebago.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716bdeb9fee---59492404214.pdfIn PDF document text
- https://bostoncake888.com/UserFiles/files/pukarubetagatukavup.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/863ei77bvtffthpi8ke02e4be5/fukonakejimuvawadila.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/a7489807db29f1c49672ad50c5817099/47043095983.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_off0000f73d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF73D | 17168 bytes |
SHA-256: 068ced7daaf141e220ead4ceba6675909e54c28525736002e4fd2494ff6b8de1 |
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font_01_sfnt_off0001237e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1237E | 10540 bytes |
SHA-256: 3b93bd8a556b13615f826c224a05818703546f13ffb227fc247bac457ec73618 |
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font_02_sfnt_off00013b52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B52 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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