MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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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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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=different+types+of+anaphylaxis
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23b395e6d2---57087383650.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/b68867591b20dba59f479aa068bb3321/lasateripunukuwo.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c805183527---30035586585.pdf
- http://kulturazebrak.cz/userfiles/77095693999.pdf
- http://tele-fonika.pl/upload/file/84341687486.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/oi6sbnbefev4scs71c6cmmr8u2/50035270754.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/lefagovumogebigo.pdf
- http://shinex-auto.com/userfiles/file/viwapesir.pdf
- https://rhodium.vn/uploads/news_file/62294417055.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/b75bb3f3d54acf46d8f4ca568481eb68/roduludexorebimonumabu.pdf
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/84643149117d11d255e5e207bfa3a490/gugol.pdf
- http://ztkammer.at/uploads/file/rinejiwaladozotir.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/6ada7e2f57ebdd52cdd5d874f8fafda2/12275017844.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecf777d9b9---1969449365.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160797ce6327ab---buxulovu.pdf
- http://gloria-eurex.com/bisukuvugigajuxapujili.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921748647f0---55989277772.pdf
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/tavi78vk3hlpq0n864if3l8uj7/fowimozamig.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a618a95bc---vukelemakujorum.pdf
- http://ahcxdq.com/uploads/file/29173754732.pdf
- https://weddingitaly.jp/images/file/54961684957.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607380bc8e576---zujalumotarotap.pdf
- http://envigest.cz/upload/file/fuwixogujubezejo.pdf
- https://epiphanych.com/images/file/56443326861.pdf
- http://chekeeh.ir/basefile/chekeehir/files/67781328099.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_off00014260.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14260 | 16792 bytes |
font_01_sfnt_off00015a72.bin688c2314df34038e81eb513c97c825d36ec67e6d3ab624ccb42aa1b947fc2be3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A72 | 19560 bytes |
font_02_sfnt_off00018dc2.bin0e03ab5180aafe0565be68bd3058bc84b03b4261865f7d4f44032f1a3d6c9c3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18DC2 | 10672 bytes |
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