MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and potentially malicious URLs like 'https://garglob.ru/uplcv?utm_term=sore+throat+and+head'. The presence of embedded URLs and the nature of the heuristics suggest this file is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://garglob.ru/uplcv?utm_term=sore+throat+and+head
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/3549ed6febc68514e77abd96d2bc9421/83631684275.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8853979ef---musivujefipa.pdf
- http://minerva-collection.net/files/files/49524611695.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f466bd191---mogif.pdf
- https://sjalikave.hu/pictures/file/soruxetugusogakexemota.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160865347ea25a---relasagiwijaforexe.pdf
- https://accesoriosalmayor.com/images/userfiles/file/38512970790.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca1c7a6d039---julojirugotozasevigo.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ab71eb93ed4---18719820386.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/6a1f5a4e5ac9eb90c77870fc9a8a0d0b/51549133275.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160adb46c911ce---jovek.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608db0e63b9cb---90299233423.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/cc7881d47231b9e254d52943240af20a/42068556029.pdf
- https://shibbirs.com/media/files/83631629965.pdf
- http://kfnmdg.com/upfolder/e/files/20210601211931.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2efc583de1---dalitixozitimepu.pdf
- https://mszukam.pl/dat//file/36345197869.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160a8147ab95c8---79925630821.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd2625cf8de---xatulamapedoxo.pdf
- http://arci-mp.fr/admin/File/kofisopovuwav.pdf
- https://hondamienbac.vn/userfiles/file/tibodolum.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160883d1aa45e0---sinorivane.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/nlqindncu68ukcdgktrtand41q/busajidutosivefifole.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160847cf5767d5---nepatepalogifarememazoxu.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48a84a89b8---figonerutufibisinixisab.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_off0000fa96.bin0878a64ea2a7bd78547bf5c17ec5fd0b1948494ee2f305f20e99cc5779498d5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA96 | 10112 bytes |
font_01_sfnt_off00011119.bin2c4b22a4ec8f2b5bb666cbcfa553989bbe6c0579c3674488b2273733121164c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11119 | 19156 bytes |
font_02_sfnt_off0001432d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1432D | 16792 bytes |
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