MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which point to compromised CMS upload directories, suggesting it's designed as a link farm to redirect users to malicious content. The presence of multiple unknown URLs indicates a potential phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1f50f24f6---98099158191.pdf In PDF document text
- http://www.americaninvest.net/upls/files/28955705824.pdfIn PDF document text
- http://professionalcatererspaul.pageindia.com/resume/cms_files/files/12800669830.pdfIn PDF document text
- https://loonbedrijfschimmel.nl/userfiles/files/40577303780.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210920011325.pdfIn PDF document text
- https://www.borzabadi.com/ckfinder/userfiles/files/88604912635.pdfIn PDF document text
- http://lapenya.cat/imgjovesnaves/file/mevavoz.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210917215232_1179173341.pdfIn PDF document text
- https://stmarys-perthamboy.com/upload/File/foturexim.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615028141460b---rozikebusobadoteveponapev.pdfIn PDF document text
- http://www.moyekolodin.com/files/48738924795.pdfIn PDF document text
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_06_08_26_31_4847.pdfIn PDF document text
- https://ringid.vn/ckfinder/userfiles/files/97596265548.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/55364428667.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/81502235426.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/2404b050cd435997c246364bcccfdd1b/mamimipedufiv.pdfIn PDF document text
- http://connectcontrol.net/files/userfiles/files/lisimudipexiladujupanamaz.pdfIn PDF document text
- https://mwasafat.com/uploads/files/bawidigexemo.pdfIn PDF document text
- http://chaputlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/50102126229.pdfIn PDF document text
- http://vaonhaphatphap.com/images/uploads/files/noxikoxutokeboje.pdfIn PDF document text
- http://www.eau-msu.ru/ckfinder/userfiles/files/73891009309.pdfIn PDF document text
- http://purepoem.com/resource/docContentImg/file/2021-09-01/55c34f5552000279f272fffe11b2370f.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=payday+2+androidPDF 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_off0000b216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB216 | 15872 bytes |
SHA-256: 6b1e3fdcc2d35083af2c1428c0e3537d95618f72ebbec30c343f9142117c7b4c |
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font_01_sfnt_off0000daaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f2c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C1 | 10032 bytes |
SHA-256: 71050572e3e33e95f494a65899a323caf7805fb7e1a5e17ffc8e7aac41422eac |
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