MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a large number of links, many pointing to compromised WordPress sites hosting other PDFs. Heuristics indicate this is a link farm on disposable hosting, and ML and ClamAV classifiers strongly flag it as malicious, likely phishing or a trojan. The document body is unreadable, but the structure and URL analysis suggest a malicious intent to redirect users to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160816b6fe3bee---fowuxufiboxenig.pdf
- http://marta-galan.com/files/varios/file/pamukutijo.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609452292b2b5---36149708668.pdf
- http://donaldbermanmaimonidesgolf2021.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/17903489069.pdf
- https://maximatrimony.com/ckfinder/userfiles/files/82162049674.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/cc6dc56fb204a7adebeab2c3efa4c0a9/dajomutexesujukatu.pdf
- https://manualismedicina.hu/fileok/file/30378322202.pdf
- http://hondaotohaiphong.vn/upload/files/48528924796.pdf
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/a419f0f32d5e6a71b80355accfa898d1/fomenivibujokezeji.pdf
- http://lubrifianti-auto.ro/files/file/26621095833.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/63fl9dth127ad9nrsjq7cmra9i/11333653128.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16077397bf13bd---59628545920.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/v01sm0t2rgoa8u6iqfuoa9np64/kutoxevemit.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e91a5ac16be---tenoxipapepexuvepezap.pdf
- http://dungcubepgiangtrinh.com/webroot/img/files/ladopenosilikuvikabime.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/16083140e75c6f---12588728376.pdf
- http://indianspringhomes.com/userfiles/files/mepitodifaw.pdf
- https://daxitrip.com/basefile/daxitripcom/files/damoronogew.pdf
- http://annassteen.com/ckfinder/userfiles/files/65603644238.pdf
- http://thaidicattery.com/clients/f/f7/f7b4890cfba443994123e46b8078d6bd/File/kixiloguguduz.pdf
- https://envida-nieuws.nl/bsb_website/upload_fck/file/lonulinibixijiredirubeda.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/f4eked9k0cru29h0su1t3ngsob/43156760986.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da41aad8ef---19757441439.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=words+that+start+with+je
- 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_off0000f77f.bine8b2fff9147d178ef6c70bc75a5eeabf2925c62ce175e137ec80f8dbb72590ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF77F | 18804 bytes |
font_01_sfnt_off00012734.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12734 | 16792 bytes |
font_02_sfnt_off00013f4b.bin0de6fa70cd11e7dbc919bb950004f2bef4e95e2238ab24ca360add9b2e121af2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F4B | 10404 bytes |
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