MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress upload storage locations and other unknown domains. The presence of numerous links on disposable hosting further supports a malicious purpose, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/6e16bcb853b57a7cb35d557e7f9cce59/nemixutipulabeje.pdf
- http://diclenakliyat.com/userfiles/file/guwudide.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/9f6ad862ee671b705a14fea0740d2d3f/sikived.pdf
- http://simkoongschool.com/uploads/editer/files/muvapemitodulojopuno.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c230ee33a---rufuwumeweguv.pdf
- http://francescasciortino.it/userfiles/files/vilimuxelurejijugejenewux.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609f393d9ad3b---91261469254.pdf
- https://coevent.ru/upload/files/85845674148.pdf
- https://china-glass-mosaic.com/userfiles/files/20210623_105319.pdf
- http://metapolar.hu/tmp/tevofexaju.pdf
- http://laros.cz/UserFiles/file/70170424509.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/bbd6e0f509efd65cca374879564edbe4/zegaguvezep.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b907c1e4a01---jokuw.pdf
- http://www.bufolari.com/public/immagini/file/31454840069.pdf
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd3f587c1d---jategesidakuv.pdf
- https://asiajitu.com/contents//files/4734068013.pdf
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/pipipumixifelirakofef.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609972e7c40aa---xukunotot.pdf
- https://netlandschool.cl/files/gogegujiwefexagatizajepa.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/d43mmne51hmvim171e4qiishf5/menageromemobatulodu.pdf
- http://idcla.net/upload/files/jitokinev.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d24458a57---zikawujixarepab.pdf
- https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836d88395bf---2406971147.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/6lvkmv0lk24u661om15dv5l2qt/22890161659.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=blue+tufted+titmouse
- 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_off0000ede1.binb7d48bd85abade1c400c6f6c2e6aae47754e6a2a5c1a125b38ab9929d9655fd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE1 | 17420 bytes |
font_01_sfnt_off00011b7c.bin60434e4380f2208a814ac4db3edf7899c11343489c4b495702590eb25668ec69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B7C | 10300 bytes |
font_02_sfnt_off000132c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132C1 | 16792 bytes |
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