MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file exhibits characteristics of a link farm, with numerous URLs pointing to compromised WordPress sites. The ML classifier strongly indicates malicious intent, and the presence of embedded links suggests a potential phishing or malware distribution scheme. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed to lure users to compromised hosting locations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 5
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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://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c744ad5da5---bofaji.pdf In PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/23e0981e54f194ba33efd448a23c339a/70199758882.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc469e85ad---38434419714.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/mgq1vedepq7hq3dqicvjuu3ukv/67523365773.pdfIn PDF document text
- http://teraval.cz/res/file/sosapufaro.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609adc2fe53ec---jamebuvaxudexomiwawitopot.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a08398b3c2c---2290982364.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/jukaxapera.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/chrkarqbnu0svkqq79l8nonnhu/67209826261.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16088e5640f386---56023624061.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/23573383451.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/5fbefc4452442b6727bd7e325d6970f3/64050421699.pdfIn PDF document text
- https://uniqrelation.com/userfiles/file/zufiwomutosa.pdfIn PDF document text
- http://dreamcatcherltd.com/userfiles/file/78533969731.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/1a4b40250ede2d33dbde55d51d1c9fd8/renikizefeferip.pdfIn PDF document text
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/lq7gvcceb5sfpvvm72au9u9b24/90520621514.pdfIn PDF document text
- http://shipagents.nl/uploadfiles/file/naranatajimuzuf.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e19de5d9e9---lumavub.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/268dqpv5utncdh3t6bclhuppi0/48228448739.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/96e47445d88a49d3330d9022ec18b238/kenisopuvoj.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/c1d440c09a37b3e05dcb359c7aaef32a/numojutubijinokek.pdfIn PDF document text
- https://clinicscrm.com/img/files/zunojepemuwuwowodobewul.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/84b7a511e7223799950ef28c126ea2df/xivotasazuxoziwa.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4d4abcd83d---miwogazowotumowa.pdfIn PDF document text
- http://cnhhgj.com/upfiles/userfiles/file/paxida.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607490a416bf2---vifokep.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=language+and+speech+therapyPDF 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_off0000f163.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF163 | 10708 bytes |
SHA-256: 0f0f90a9102e9b82f0b5457f9f1c59efdd6650c3b7a112ee4be86ccfe76deb7a |
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font_01_sfnt_off000109bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109BB | 18164 bytes |
SHA-256: 689e51995268a583169449fc064e1570c169990060d6c793e531b17c4d598778 |
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font_02_sfnt_off000137aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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