MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution scheme. The embedded URLs are likely used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160929c2c8bf4f---tebawatenurom.pdf
- http://futurepoolandspa.com/ckfinder/userfiles/files/latakafafir.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/3a79eb5686adb95a246a3a1dccab5cbe/togizenamoravovuxojasiv.pdf
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/a24f976a12639c4155232b54ab2e4ddb/gapogezufizaduzeriganesu.pdf
- http://d4smontreal.com/clients/f/f5/f58105ca183540932673f5bf18e62671/File/60302806483.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717eb243a12---lonokelinisotelunewitasox.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160952544bcb86---65107264922.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4aaa3e10676e0f046c8b9a93d64535f9/25230264731.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/8bb52119502f13a4cdacf510707b1e03/76849588408.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/n697kk4o7jbjepu29ihdsr9hp9/52296872812.pdf
- http://przychodnia-felinskiego.pl/uploads/editor/file/10241175088.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/7mfp0336ff5ra4g38ck5d0gtc5/muluxibisuzenodu.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c187e0666f---koxajifamukisojik.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/b8799df33291df7d910e972f0565b0af/jewokilekexegolemib.pdf
- http://unseretochter.ch/images/file/kezezubizugotaxosu.pdf
- http://studioagronomoserragiotto.eu/userfiles/files/nalatonopik.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/aqr6ogqudka1k1hgp0v2q547np/tilakaripogir.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/e794c654f124129bf8bd6aed8e0617db/lilidirufodifu.pdf
- http://www.peretprod.ro/content-images/file/pavafonovelexixuwared.pdf
- http://senn60reunion.com/clients/876260/File/73632180429.pdf
- http://daiichihr.com/uploads/news_file/92459314188.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c562706dc0---81342309568.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ga3khkcj8a76hlrlmgvjse9ijs/65772265874.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/c48ou6ufm4n18p9vl299fglu0q/zilakar.pdf
- https://belloverde.net/emailer/file/43759905006.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce3f67b344---feburolefegofutumaga.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=matter+energy+space+and+time
- 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_off0000f2cf.binfdea74fb64527f8e6fdc76ac6111226ee7f56698635ae7cc91252134c1a8c424 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CF | 16840 bytes |
font_01_sfnt_off00011ee0.bin55564733c8e9e214a07efb8a73b62aafbed103b3b1bbcf7726f3adc919fa276a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EE0 | 10800 bytes |
font_02_sfnt_off00013799.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13799 | 16792 bytes |
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