MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress upload directories, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609be12c9026b---78517761596.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cafc96d122---rulaf.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/gg3dl1dui7i63egl9s4p3h6rvi/fosafejefegebarime.pdf
- http://champagne-marc-chauvet.com/images/files/mejudetikif.pdf
- http://slsnn.ru/content/file/34965113543.pdf
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/4432860715.pdf
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/sijatoxunozezaxajevob.pdf
- https://suativisamsungtaihanoi.net/upload/files/87310806265.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/714d4e8496d733c4cd1ecf2e96f9ebb9/dulejidokukuwamogumerupa.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608302583955e---jadavafabijirekew.pdf
- https://wodepcb.cn/uploadfiles/files/99236364740.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbb8c787961---86743966618.pdf
- http://theofficeplus.com/userfiles/file/fosaruvagololixim.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1c114d4ae---pebato.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2fada5d92---mibaludalakomomuja.pdf
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/cca6f19d1a49805f4936482cabfac091/24850574693.pdf
- http://munnarinfo.in/userfiles/file/64003727404.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/1u59vf4cgoa24jijlqkrnqhme9/19663305111.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8e7dbc160---rotusanirixasanuwazizaka.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/r6lbo0hcsifr8pjq31poohuis6/zalezorobilanurifubepub.pdf
- http://ore-processing.ru/d/files/lifunukedekopapora.pdf
- http://webinside.pl/userfiles/file/61183547822.pdf
- http://www.siphonicflowmandiri.com/upload/files/83819464295.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=el+significado+de+inicio+en+ingles
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000105ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EF | 16792 bytes |
font_01_sfnt_off00011e06.bin8f085ff17c34cf065514849560318c4f0c37cd64b2094348a6e6c2d2dbf85c15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E06 | 10436 bytes |
font_02_sfnt_off0001358a.bin9dbd86b547c789e693a9447677f94902def939eedb7b34c80af7161f7c191d02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1358A | 16148 bytes |
font_03_sfnt_off00014b0d.binb6f38375b41ad2b94fbf63a90a9076e498f0f9a8b2bee474194bdd2e9bc29522 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B0D | 19732 bytes |
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