MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://srmhomes.com/images/bulk_images/files/92101839283.pdf In PDF document text
- http://asid.rw/userfiles/file/pufer.pdfIn PDF document text
- https://bazab.ru/ckfinder/userfiles/files/12942509399.pdfIn PDF document text
- http://usatovl.ru/upload/fckeditorfile/rajizujerituva.pdfIn PDF document text
- http://worshipedia.net/sites/default/files/file/53317892592.pdfIn PDF document text
- https://amatnieks.lv/pictures/image/70563809703.pdfIn PDF document text
- https://satellietgroep.nl/userfiles/files/44315512581.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/valukufavisuvewo.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/99081703807.pdfIn PDF document text
- https://bnovum.hu/downloads/fofatasetawebumigo.pdfIn PDF document text
- https://publicbridge.pl/userfiles/file/divum.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134dc780e3d4---fugudutosupinutepuwubozaw.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/79804073565.pdfIn PDF document text
- http://vaonhaphatphap.com/images/uploads/files/fefumabelutupep.pdfIn PDF document text
- https://weldingportal.it/userfiles/file/429780540.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e5c0a7a9f---lozeparosotazuviloba.pdfIn PDF document text
- http://munnarinfo.in/userfiles/file/62905272214.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7a0a1e3a7---4310831313.pdfIn PDF document text
- http://skmsm.com/userData/board/file/59615530079.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613800a86abfe---97229626784.pdfIn PDF document text
- http://trustycctv.com/ckfinder/userfiles/files/49033603649.pdfIn PDF document text
- https://anyimaker.com/upload/users/files/89498803709.pdfIn PDF document text
- https://stratasphere.online/userfiles/file/2351633956.pdfIn PDF document text
- http://citygclub.com/ckupload/files/58277955987.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/86162327309.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=1+intro+pro+apkPDF 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_off0000b696.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB696 | 9944 bytes |
SHA-256: fb1985c5d574b116989ed7c27dbaa04e159f74b57ab2b05956546fb8bb3347af |
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font_01_sfnt_off0000ccb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e4c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4C7 | 14300 bytes |
SHA-256: 652350925a56987a33e9f568c91375d39dc9ebf820369e4936c35e57fea62f52 |
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