MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b08156119ae---50444950045.pdf In PDF document text
- http://jucal.es/images/file/88033863601.pdfIn PDF document text
- http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/dejer.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/8b6272c407b90dc5b01bf805578aae91/sagotij.pdfIn PDF document text
- http://slsnn.ru/content/file/87822575874.pdfIn PDF document text
- https://akapacha.com/userfiles/file/72511544717.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f1efe69f2---31463640288.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735fd17eff7---wasesadujugona.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/bc5bf15a4b07f62282130b71231160b5/rimukepupeze.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/020311372639.pdfIn PDF document text
- http://airholic.com/UpFiles/WebEditorFiles/file/leranukupidiku.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/2c01adc5041c2bb7db934539c7212b8e/90515248730.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/83008224937.pdfIn PDF document text
- http://ceskylakros.cz/userfiles/file/14070615583.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b946caeb6d---79434060085.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac018f5f785---14833594416.pdfIn PDF document text
- http://plncse.hu/php_data/file/85323444543.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb7a4734e0---29138576504.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb84fc4144---52078295282.pdfIn PDF document text
- http://poney-club-romilly-aigre28.fr/userfiles/file/jevagilusapexobave.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/f79df9213005e71fcddcb1981365cc3a/72601769506.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/juluwademiguvevej.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/74110067019.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/43020264844.pdfIn PDF document text
- http://gerastar.com/userfiles/file/kajajepogadawixe.pdfIn PDF document text
- http://alrehabourhome.com/userfiles/files/53200648686.pdfIn PDF document text
- http://beiwendq.com/data/attachment/file/12040486359.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=siddiq+salik+books+in+urdu+pdfPDF 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_off0000d03d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD03D | 19760 bytes |
SHA-256: 3f9d7b6211641d0c278f71860baef11d3f47f7b902316a8909f908b259ecbc9e |
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font_01_sfnt_off0001034a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034A | 10812 bytes |
SHA-256: dbb50d6effcca0965f74a3594c6bb2b1a94bd8f14962c8e6c808c7c25fc649b4 |
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font_02_sfnt_off00011bc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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