MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm hosted on potentially compromised CMS uploads. The presence of embedded JavaScript suggests an attempt to execute malicious code or redirect the user, likely as part of a phishing or malware distribution campaign. The numerous URLs pointing to various domains, many hosted on what appear to be compromised WordPress sites, indicate a broad distribution effort.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://artasedanasingaraja.com/uploadfck/file/24007717674.pdf
- https://thefertilizergranulator.com/d/files/nonovezutafajafatigime.pdf
- https://olympicwroclaw.pl/zdjecia/fck/file/88053819018.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/acf4ca27ccc6045564ef743ecb8fc767/wufilojepakonovunipabaret.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f52654088e1---14207938229.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607434ce01601---15225291745.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a2a256a74---wiwozog.pdf
- http://studioschicchi.eu/userfiles/files/kuxonof.pdf
- http://wjvanderheidedienstverlening.nl/uploads/file/zadotedavodopujozedi.pdf
- http://denki-shonan.com/uploadsfile/61209737758.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160bd525039090---lojig.pdf
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983f95d13b3---sojumemeta.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/pjr994kihrmpf7063smkfi8mkj/fivadi.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/f7d9b2b628624ac5d277784b676f15cc/wuxevisox.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16096190e69276---64102051476.pdf
- https://semagro-msw.ru/pics/images/file/76467187471.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/qchi9ffpv9i84kgm7b5gogq5cc/tofap.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/4vkcoioedbmpjcetmnf63u9i16/nawitunomuguzan.pdf
- http://permanentnimakeup-brno.cz/userfiles/files/fomefo.pdf
- https://hbfilm.ca/resimler/files/88749796004.pdf
- https://lawtutors.co.uk/js/ckfinder/userfiles/files/susagilepunudigotibowak.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/7dd721f69ffe93f4100e8a538bc5abb2/runigogegigikewebolives.pdf
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/b82986461de065b0468599a505c7b55d/sexilepine.pdf
- http://burattinojatek.hu/userfiles/file/14014153952.pdf
- https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/fbcd660d59472657878877d613421533/49544600314.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=que+significa+so%C3%B1ar+con+que+se+te+caen+los+dientes+con+sangre
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fbcc.binf18f6eb590466c98aac5fa9cbf27c9f648e2aeabd4c122b71d759356d7bd7e4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCC | 17940 bytes |
font_01_sfnt_off00012982.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12982 | 16792 bytes |
font_02_sfnt_off00014199.binaf0b8592a4ba67327951bc49f54d336bc0da7b00b691c90b0e17ef61388d984e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14199 | 11160 bytes |
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