MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, detecting it as a phishing trojan. The document functions as a link farm, containing numerous URLs pointing to other PDF files hosted on compromised websites. This suggests an attempt to manipulate search engine rankings or distribute further malicious content through a chain of redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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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://harchovyk.com/userfiles/file/61228063890.pdf
- http://uppercanadatwocylinderclub.com/clients/877835/File/teperovu.pdf
- http://newdimension.su/userfiles/file/gevexiwugig.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080bf2a31b71---31878003707.pdf
- http://mai-colle.jp/userfiles/file/56813540684.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1609c70397645d---mivevezexawufu.pdf
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/wujikedufagivuwuw.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a94ffb5102---38772066547.pdf
- https://linhngapt.vn/upload/files/39047209677.pdf
- http://ehsclassof64.com/clients/b/bf/bfa5c4411462ceee4a19e543862d902c/File/lijamojexamexunov.pdf
- http://fmi.lu/userfiles/files/jazive.pdf
- http://emannsltd.com/userfiles/83646676553.pdf
- https://soltendance.com/stockages/files/kutibomimofozerova.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/b1a554f46b8916a5801734e3af8fc555/napugagixokov.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c913fa54ca---24711376098.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f021d4b1e0---nodigagosuguw.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/67daceda665323810d575dfbe6f97a6e/97570335710.pdf
- https://srmresidences.com/images/bulk_images/files/36015516741.pdf
- http://angelcabrera.com/FCKfiles/file/89566865879.pdf
- https://pmms-online.com/assets/file/kefuvodofusotowum.pdf
- http://lumieretvie.com/userfiles/file/15966827657.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/aae626b21aa4479789fc1b8f34cb2a8d/35539581038.pdf
- http://rltclassof1970.com/clients/8/8f/8ff9f19c840b982a6efda18ba8bb483c/File/41890482740.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=another+word+for+rare
- 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_off0000f661.bin8875808fe646949516c16745de8fe5e442691e6ca246e30b32658cfdaeca600e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF661 | 18004 bytes |
font_01_sfnt_off000125a4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125A4 | 16792 bytes |
font_02_sfnt_off00013dbb.bin8737e459db3d5402ae035c446cf08be247f4bfbecd27d19520b6e3cdd992e0ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DBB | 10212 bytes |
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