MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 http://zezoalza.com/ckupload/files/sujinabi.pdf In PDF document text
- https://vocembalo.ch/userfiles/file/4694523636.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4a516ae424---10614842030.pdfIn PDF document text
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/n73ga6mno0de4mh86839rhedrv/95372089585.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/68161566424.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/3729984514.pdfIn PDF document text
- http://chalappuram.com/userfiles/file/61191599243.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb342d4af3---kebonevitinozomalub.pdfIn PDF document text
- http://museeducuir.org/upload/files/rakuweli.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/quvju653l2snhnh07s8jmhsi46/dozavima.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/bs0rbqm3lj49ou0tb6vdf9k3c0/levodukesudubirovuro.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/55423076173.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/pkvm0s4sm3a4q64gt4t4getblm/gilalalalazizapiperifonew.pdfIn PDF document text
- https://grouptm2.com/contents/files/vovurukalezamupagabuwuw.pdfIn PDF document text
- http://websteravelandscaping.com/editorData/file/sokop.pdfIn PDF document text
- http://roocenter.ru/upload/file/53932932869.pdfIn PDF document text
- http://rentaruedas.com/files/others/97561168230.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b060772259a---40498084152.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/c9c67a0c735f0c972ce598871c4e6e08.pdfIn PDF document text
- http://jungvassar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82229486871.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/1848d86245babbc0c1f50dc42d529be9/pejebudiva.pdfIn PDF document text
- http://osrclass1967.com/clients/8/84/84e84eb3bb32f45446e669e24fea3ebc/File/xizesasumananezaxafotulug.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/xunag.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=meaning+of+deputation+in+englishPDF link annotation
- 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_off0000c949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC949 | 22128 bytes |
SHA-256: aab8755e51084d32ea4d92bb8d7e14c4e77f20d7be56e31f765fc257a8757c62 |
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font_01_sfnt_off000103c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD7 | 10768 bytes |
SHA-256: 58cc0a226cc4709d73dd0911d255dfa08de4fd2361fa9fe0915bec76aeea932b |
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