MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute further malicious content. The presence of external URIs and link farms indicates a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/pppn574b75s5rd18dv9fcri8jn/63682538974.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/809675526231d8b2c994b2445f7c0233/mufukalibegaxobikivinel.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8de6046a3---56093119692.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/593d60baffc8ce8bb95d1e588a46e865/75192169580.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/62f9fd47a12950d7ea8cd791f290af54/48119242166.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/jai6b83sa0fgssu8bvb5872qr7/8015808707.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/o96n1bpj4lkvmgk11pupgc982m/8002046912.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608594cb9fa6e---nefunowoxobigakabefujubif.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084544a8cab9---6241978169.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844eb877706---gapuwulaz.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a89fbad677---18381024160.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16079c258a87f1---86599289982.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075160776e49---45109708060.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/8b3398050cfdd29ce56309341664e7de/fuwex.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/ffe9ae83f461f3e6372c87989086c896/39236888987.pdf
- http://amadpich.com/userfiles/file/54522411397.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/e3324a15c05b462633c1f92d31f65da6/59161291010.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e5533ce9c6---49323458973.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=situational+approach+to+leadership+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e967.bin961dd5e86381679ddd009fc8e6b1b4f6493b89fca6756244e9936e59775089dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE967 | 5344 bytes |
font_01_sfnt_off0000fb88.binad9a1c3abb18ab8242f05a597839e5feab00d5917e7c40f5afae87d1f93975c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB88 | 10584 bytes |
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