MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised CMS upload directories, likely serving as a distribution point for further malicious content. The presence of multiple external URIs and link farm characteristics strongly suggests a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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 http://alphasigmaoverseas.com/userfiles/file/68504165834.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/5e632593ae82906d782a40f59ef90eb6/morufivesodidexe.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/e517c6dad6432ddea453db34ab929d50/54301564683.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f656234116---saratogez.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607613a93694d---22902090149.pdf
- http://mwflower.com/upimagesfile///rupopol.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f1326c591---62026126124.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/54140ab167aa80a784ab8e177113be56/74473802805.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/16080dcb4e9e2c---35823985199.pdf
- http://parkhighclassof60.com/clients/871169/File/70792621893.pdf
- https://samsungklimalar.com/upload/ckfinder/files/dokinujibevikozogovudu.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078300828832---beduxenafej.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f2d9b0687---35719212414.pdf
- http://mdbim.pl/ubezpiecz/obrazy/file/sarawakuxuvejani.pdf
- http://atol-res.pl/uploads/file/54104531654.pdf
- http://juliesfundforkids.com/clients/d/d6/d6f17a7a4e9d342a12f8f8eeddb80b2d/File/63871122118.pdf
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3580cde332---tonesifowebiroviseguk.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/upf92dv54fe488fboiealg0b9r/kofinanad.pdf
- http://adabaskimerkezi.com/upload/file/53347497306.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/b251fc8c99e9a5c4f5ef50ac2b58c691/13677604309.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/0c420aca8f2ca5af6ed4a883672c3a7e/52827674438.pdf
- https://tonitomov.com/picture/file/sozolanakulut.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/84c250123e41fb9d49e1acbf85060680/bupuz.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/nqsc41tr30k5vv58mf92q4dka9/5517161216.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16073a615346f8---devakifedi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=rick+and+morty+a+way+back+home+summer
- 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_off0001277f.bin198b47eae178fa8353982256fd631aaf5ffc51f70e6c3278c6f798f19ecd5546 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1277F | 17452 bytes |
font_01_sfnt_off00015537.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15537 | 16792 bytes |
font_02_sfnt_off00016d4e.bin566f82cd27b88ccd4322c70744c6cc146bd4674914793a9ff328940f83724b27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D4E | 11168 bytes |
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