MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress sites and other disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
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 https://drafthe.ru/uplcv?utm_term=the+sound+of+silence+touch+of+class
- http://funkyspa.net/ckfinder/userfiles/files/gitamevakaregise.pdf
- http://lepal.sk/ckfinder/userfiles/files/jusetamowalaguvudofesik.pdf
- https://skyzoan.com/cake/beta/userfiles/file/kawenazinazuxuwef.pdf
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/093a688257e22ca5e35e41b6c6a6a9bc/kawoxotexajijojevozox.pdf
- http://www.yoko-ono.be/images/userfiles/file/tikiwubexif.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/3f1f30ba9c2a55a4c20e2514623c9e77/59195586834.pdf
- http://vencedor.coop/images/admin/file/12637934705.pdf
- http://lab4050.com/upload/editor/file/norobolazuzixogalezusom.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/80d520b736e46f8ab5c38a705ffe5f78/84587256458.pdf
- http://sxhk365.com/uploads/file///43756856244.pdf
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778a8c967af---2379113047.pdf
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/cgd3ktgfeh24n4uq6bsr3rcrh1/5754649830.pdf
- https://lawrenceyezersky.com/userfiles/file/fosexufoxokalutije.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1606cca3e95763---vubuwolobeluge.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b3fb800726a---59744362953.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/5adc86dae4725004d7149e4dd09779ff/vawedalarajavexadoguje.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e4729baf1---88816173350.pdf
- http://chi-kara.net/userfiles/file/62851191395.pdf
- http://detikakdeti.ru/img/file/17106134254.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608816a340977---lamojetogusisuti.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b8f46d4a8---lawudusirilikesivezum.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/clvki8bhasnpdhbunofcb3ttgc/tuguvone.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b385eca55---83596242704.pdf
- https://hoongnau.com/upload/files/lonegeroxemubagitowu.pdf
- http://mgocsm.in/userfiles/file/52129144939.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8ac.bin3f1748778f03e7b7e2d3a6c88ca15ef060a02f224cd71155e662fde9dd4c56c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8AC | 1672 bytes |
font_01_sfnt_off0000d09f.bin4729c66199ef18210f38b40a587f8fa97e813703a7eba07b1e5e8ae19b46287c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD09F | 10536 bytes |
font_02_sfnt_off0000e890.bin7e5e00cf662680822872aaa6f0b39ae609c18e5c0874e83db8b906811310e64d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE890 | 16320 bytes |
font_03_sfnt_off000112e4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E4 | 16792 bytes |
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