MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It functions as a link farm, with numerous embedded URLs pointing to various domains, many of which are hosted on compromised CMS upload storage or disposable hosting. The heuristic 'SE_INVOICE_LURE' suggests a phishing pretext related to payments or invoices.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://chinalabware.es/d/files/posom.pdf
- https://folklorebridge.eu/uploads/pictures/files/30941217284.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/30863719b73ae33afa159850a3efa564/potidiwate.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1167bdb48d---45713192530.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a919b28f9d0---xodapokatipabe.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bc7d9cf0e0401da42ac448db8bc2b7c6/bakuseg.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967263eb5bc---muwifoxe.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/7o4i4nfmoopvck27f24hhh6cmh/85046073575.pdf
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/423b1339324d628a453096e7a2f870f0/25704713302.pdf
- https://go2germany.ru/files/file/dekojikokidukesisujik.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/tis4kpcjugkpsob995ncdo3oo4/kotoro.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160749b81b5742---22045052920.pdf
- http://akinmedikal.com/uploads/file/97654958383.pdf
- http://jkmdc.com/aversystem.com/userfiles/file/kisekagawivonadekipof.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/98646a489f60dea07360fe042d6772d3/dijisoguvogifesebus.pdf
- http://csim.jp/ckeditor/uploads/files/72427265872.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/6549a6b358e24d6c3d4453693873a4cf/52203444088.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095921bd28e7---31992903952.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b10da1b0b8---zaxelufemel.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=charitable+contributions+cares+act
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/908c391407d6b3d3c6ed3c0b50fc53b2/57623887855.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_off0000e535.binb3bb48e00c11d1dc24613ee3263ada4598a8814881eb75b0a2e59652e204b3df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE535 | 17284 bytes |
font_01_sfnt_off000111f8.bin2363d201f594c49cb3e2f6c50ed072157160e992634b983d4df827c208cce669 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F8 | 10600 bytes |
font_02_sfnt_off00012a2e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A2E | 16792 bytes |
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