MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to distribute malicious content or facilitate phishing. The presence of these links suggests an attempt to lure users to external malicious resources, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9878
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://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbede58cc9---xaxesixukivoger.pdf In PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b498fbb2093---xesobala.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/4b0a2ba2a2d36c44b7ef450a698a1862/10325488057.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c318cf0f33---nevupavujajopuje.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a07b6ffae---todatuvorisap.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088019b0d99e---poromakimefesir.pdfIn PDF document text
- https://www.acta-mobilier.fr/ckfinder/userfiles/files/forupageruludumeleg.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b9790d279---sawobisukonesotizig.pdfIn PDF document text
- https://zoldlepes.hu/userfiles/file/fujorituwesuxuxigiro.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/i97r29mo6ebehfb8tve0ngsmd9/57909759407.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/ecbgt4b3fsgk081bl584ul0e4u/pilitexejamonenuluxuj.pdfIn PDF document text
- http://lyshiying.com/d/files/kosenorurewinexepem.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210429062202122.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df603c81a15---jazul.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/6bff693920c01a5bcc5c201d6f0494b6/87135737855.pdfIn PDF document text
- http://m3hotels.com/userfiles/file/65110061100.pdfIn PDF document text
- http://tomlitkom.ru/ckfinder/userfiles/files/69635975861.pdfIn PDF document text
- https://addsfly.com/userfiles/file/27172172318.pdfIn PDF document text
- http://lulanjina.net/upload/files/10172973633.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc83974678---xesamux.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/ijddks3ab81f8veopis20505q2/ritami.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160c94eb77cb36---lekoduvezefuw.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202105/file/96320180310.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4f99a00b4---videfuxit.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/51194203102.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65dd2565d9---69820843601.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=game+of+thrones+season+1-6+blu+rayPDF 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_off00012278.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12278 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013a8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A8F | 11036 bytes |
SHA-256: e777ab78672ff27552475bcd8d365ee7454d985893b5e3023f905a0bf84e3eb5 |
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font_02_sfnt_off00015436.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15436 | 18068 bytes |
SHA-256: f1211f21b37b005e6321bfaba76f78396842a180437a7b66df50754ae4f37612 |
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