MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of 'urgency/deadline' language, though low-signal on its own, supports the phishing or scam pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/aprpk9k4q0vsb5fp5r63c27brp/diburamirosobilepimewex.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607db3a778d57---13901877714.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5702261f49---95484531918.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b47cd404e---17381467799.pdf
- https://24emk.ru/ckfinder/userfiles/files/37478214022.pdf
- https://lanjutpt1.com/contents//files/fepukutosuro.pdf
- http://4seasonstours.in/userfiles/file/49502738284.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608518b61b749---suvinarodezolilipanise.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bac9d2a031---60304689610.pdf
- https://istanbulbalbir.com/upload/ckfinder/files/19298453280.pdf
- http://hotelamadeustorino.com/userfiles/files/73593013032.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbe09189db---niwawuwowobol.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b92be527821---bepukewogenevep.pdf
- http://highlandcougars83.com/clients/2/26/268573c5102cd00412bac87cee9346ec/File/23386699008.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16092c678b9880---kirowol.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160739e64274c7---dezuwopu.pdf
- http://tmtechvn.com/webroot/img/files/pawifexibadupujefupiru.pdf
- http://hopkim.vn/upload/files/84421112594.pdf
- http://gphs84.com/clients/866382/File/59510920436.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/juepnknibhj8nbjhl8v7mgd317/37196060641.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/2c0d3634dcf6681b500d38faa038d716/bokulukina.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c73ea9045f4---7974474026.pdf
- https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b45d40942d---18228575020.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aacf4c63a2c---mumuwanoteropefowunetelog.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=happy+birthday+message+for+brother+in+law
- 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_off0000f58c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58C | 16792 bytes |
font_01_sfnt_off00010da3.bina08cf1aafad6f6d6249b37981fbb79c4365bebbbf2f6b898d537cb070b3f2cb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA3 | 11276 bytes |
font_02_sfnt_off0001278a.binbccdc4f83a065027607fdb6864ad6b1481404e1aeabdbe0fdd95f6bbdf5b0e4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1278A | 17432 bytes |
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