MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm used for phishing or malware delivery. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. No scripts were extracted, but the PDF structure itself is leveraged to present these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://drafthe.ru/uplcv?utm_term=logarithmic+growth+rate
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/2badcd42c5f9e97188e1ca000cd51f51/kudulurofagiko.pdf
- http://wojno-stal.pl/pliki/file/43737296084.pdf
- http://synerfreight.com/syner_upload/images/files/boropetazesebapibudozud.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160957177bde8c---metujagapubavudezofosovus.pdf
- http://bagumul.com/file_upload/spaw_upload/file/20210508091117.pdf
- http://157.230.241.115/image/upload/File/ledepowenerapo.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607da298a29d4---tabomojowiregazijobesa.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3e357284e---nuberibomiwavaruvepufu.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/vt7if7743jp6ieqrqu41rmkvg8/danonuxemolir.pdf
- http://byty-pardubice.eu/UserFiles/File/josegafonuvemiralof.pdf
- https://network-italia.com/file/14693950491.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c53016bb430---28804569679.pdf
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/3752c30ff238f3b0aa6605b8353a9f72/61425697949.pdf
- http://sam-global.info/files/file/zuzolopokifajosopebuja.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608599f3d7576---87170013569.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e0ab5314a---88701566648.pdf
- https://cambodiadriverservice.com/userfiles/file/50506012053.pdf
- https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9ca536f85---sijudewinubiko.pdf
- https://aartipalette.com/userfiles/file/92319785505.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/4c0iulgmjou0te83h1s6g367d3/zezoka.pdf
- https://vestol.bg/files/file/noriremenojunove.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1adf99230---fujofizatopebujibonozatu.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//fololesukisofadab.pdf
- http://mextro.de/upload/files/9776321030.pdf
- 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_off0000beae.bin2405ca36edd067885d648facc7cc53f1df98ca327191066bea22f5b9d3bfb1b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEAE | 16196 bytes |
font_01_sfnt_off0000e7d8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D8 | 16792 bytes |
font_02_sfnt_off0000ffef.bin00230dc933a311b442b679daafac25f5fc26258bd3ff599f29614e5f543bdc3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFEF | 10404 bytes |
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