MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, identified by heuristics as a link farm. ClamAV and ML classifiers also flagged this PDF as malicious, likely a phishing or trojan delivery mechanism. The embedded URLs suggest a tactic of directing users to potentially malicious content hosted on various domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160d6c518693e1---7909378417.pdf In PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/c7657a4851029c2f448c97e01d67c276/96825740420.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/5da0f18adc723937d69b96abf1e27b96/bakabepativixa.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/g7gmddk5tb80v4liiontus1n64/dowekujodanejoz.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1607a87cdc147e---45254575832.pdfIn PDF document text
- https://www.nhabe.com.vn/ckfinder/userfiles/files/vadibegagarawusosir.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/6d0cf73b24c605df4dddf2a2a2bb4f39/29567468918.pdfIn PDF document text
- https://www.ruchya.com.tw/upload/files/56221085921.pdfIn PDF document text
- https://inncredel.com/uploads/gimamuzegiz.pdfIn PDF document text
- http://giovanninociti.com/userfiles/files/kabik.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f58a3fb304f---58492073558.pdfIn PDF document text
- http://jhsclassof63.com/clients/c/c8/c8cc7cee7579ddcd469b669c0eb172d8/File/gofakazexuguw.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073db454a785---15628429315.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/1cabcfd582bf6b381fe49387525eb7a5/3718131769.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210707171129.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/bdogmbvn8f9gmd59id9treoei5/nozokobofozosafumoxole.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/nusubuxaxuvuputenejite.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/a779399ed1a26e07d6fa8298c686c9f1/xitefezobixuwip.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/1333988262.pdfIn PDF document text
- https://ispartaorganizasyon.com/ckfinder/upload/files/77452144534.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9115bb050---77190623543.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/86f4655700575fcb8f41da7815194d90/32570119097.pdfIn PDF document text
- http://tipiland.net/upload/file/4549084306.pdfIn PDF document text
- http://puppies-4u.com/clients/e/e7/e7f09595da74c05d2059c741134300d2/File/51032560334.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=harga+xpander+sport+manual+2018PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c4f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4F0 | 11336 bytes |
SHA-256: 8be6c041b0405d164a486895e96e69e9dc10321cdb097a2e0302b5fe33eb6d95 |
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font_01_sfnt_off0000df7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f78c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78C | 17684 bytes |
SHA-256: 19d326441c5de4fe61e534fc3422b5fbd899c613ba4fdef0571a04c1ec78b619 |
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