MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous heuristics identified the PDF as a link farm, with many links pointing to compromised WordPress sites and disposable hosting. The embedded URLs, such as 'https://archism.ru/uplcv?utm_term=ppsspp+fifa+21+download', suggest a lure for users to download potentially malicious content or engage in phishing activities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://archism.ru/uplcv?utm_term=ppsspp+fifa+21+download
- https://ewt.cz/res/file/tixodevojuzafilidaro.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3bf99db86---kexujidirupawevibeloluzig.pdf
- http://connectcontrol.net/files/userfiles/files/7115120655.pdf
- https://betenrealestate.com/sites/default/files/file/78428543908.pdf
- http://choragwica.pl/userfiles/file/vibirigijoju.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/161304f069662c---99161521097.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614407304d1b6---74060339474.pdf
- https://rocha.pt/userfiles/file/fogawonazarunuwibatukud.pdf
- https://cukimentescukraszda.hu/files/files/32888222138.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149ab2acdea3---vunixulavijefefepokumopi.pdf
- http://www.alborada.es/ckfinder/userfiles/files/tudonabo.pdf
- http://esejsc.com/upload/files/90925684768.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/e62f29faf33b1cd6f2afb3da872af981/lavepugekunaboridesi.pdf
- http://puzynowska-kancelaria.com/userfiles/file/72203160228.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/161479c6c1ca4b---baluxabedujemi.pdf
- http://vsrru.ru/userfiles/file/26479485864.pdf
- https://socardan.com/userfiles/files/fowojorelepaxone.pdf
- http://www.plain-pied.com/editeur/ckfinder/userfiles/files/84989960363.pdf
- https://muratay.nl/userfiles/file/baxetiwikoxupofizijunixu.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6f3d18868---funuru.pdf
- http://tabouligrill.com/ckfinder/userfiles/files/sabume.pdf
- http://aalzkj.love-mrt.com/upload/files/lopumovumurewu.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423f9669992---jizuge.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140c33221be4---31039126015.pdf
- http://zenkatsu.dk/files/kixijofalojajozuge.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_off0000d6b7.binc5e5dfa72c3c2616f747661d20463e7163d029cb0f1f9426ecd5a12b60a07c8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B7 | 17260 bytes |
font_01_sfnt_off0001039f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039F | 16792 bytes |
font_02_sfnt_off00011bb6.binff9c180c0e971a368c3b2ceeb26aeea3af0edee1705bfd17d0fb36277946f1ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB6 | 10420 bytes |
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