MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many pointing to domains associated with compromised CMS uploads or disposable hosting. This structure strongly suggests a link farm designed to redirect users to malicious sites, likely for phishing or malware delivery. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://cafij.co.za/YmrXLWy8?keyword=what%20size%20battery%20for%20liftmaster%20garage%20door%20opener%20remote PDF link annotation
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1621d9defc056e---tugosusizokuwerili.pdfIn PDF document text
- https://rupafiwizumuwon.weebly.com/uploads/1/3/4/4/134442684/xibesekase-tugojuzomijep.pdfIn PDF document text
- https://mudafozaruxe.weebly.com/uploads/1/4/1/2/141289996/sedewomeg.pdfIn PDF document text
- https://xatawozenovug.weebly.com/uploads/1/3/4/8/134886035/kifadubeweki_zinopas_gariximuxos_degiwok.pdfIn PDF document text
- http://ndt-tl.ru/upload/file/89739489064.pdfIn PDF document text
- https://xikobesi.weebly.com/uploads/1/4/1/4/141442772/9556489.pdfIn PDF document text
- https://momofejin.weebly.com/uploads/1/4/1/4/141433865/gubigitukowamo.pdfIn PDF document text
- https://woxarupuxanuma.weebly.com/uploads/1/3/1/3/131383908/repunarokegu-koxagerazikar.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16222808111239---35421710048.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16216b9a369283---93149417215.pdfIn PDF document text
- https://xoxizolijeru.weebly.com/uploads/1/3/0/8/130874154/jemugaje-jekuli.pdfIn PDF document text
- https://kujituxozi.weebly.com/uploads/1/3/4/6/134625238/f167811.pdfIn PDF document text
- https://mirulunus.weebly.com/uploads/1/3/1/1/131164386/rigubumijulajim_naxibumopup_limajagad.pdfIn PDF document text
- https://mesakejaj.weebly.com/uploads/1/3/4/7/134754162/70ad31caa.pdfIn PDF document text
- https://gipadakox.weebly.com/uploads/1/3/4/8/134884067/3975900.pdfIn PDF document text
- https://regifedemez.weebly.com/uploads/1/3/1/4/131406591/powadirijerakosama.pdfIn PDF document text
- https://litisowof.weebly.com/uploads/1/3/4/6/134692954/1ad22cf.pdfIn PDF document text
- 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_off0000c2d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2D9 | 11252 bytes |
SHA-256: 7e694f3feae630c3c496a53151558c59c010ba668310c0fe2cb00be0b8bace0e |
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font_01_sfnt_off0000dcb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB3 | 16984 bytes |
SHA-256: 017d625d919ea16710fd3533d97d2373e17f4732beb91cb0d88f02855e82f104 |
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font_02_sfnt_off00010947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10947 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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