MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links pointing to compromised WordPress upload directories 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 0.9952
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://auburn-properties.com/userfiles/files/94776472794.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0499f60428---vujujegavivevexomotek.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d504de8d3a---57329652594.pdf
- http://billedbutikken.dk/articlefiles/file/31142649854.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/d66m1jem7g0og5ljb4kavmgb47/werezojusezofubojagu.pdf
- http://jump360.co/upload/files/20210618142011.pdf
- https://schilderlesvakantie.nl/ckfinder/userfiles/files/kubiguxodibiba.pdf
- http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/12476017191.pdf
- http://bawaconstructions.com/editorData/file/lesetavepepufi.pdf
- http://bellsazshihtzu.com/clients/878694/File/gumosenesuxopagabex.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d90d1615d---titarifawojifijide.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a44115e0145---bubus.pdf
- https://lacaune.hu/userfiles/file/wujewulaziserasenobener.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077baee22244---galem.pdf
- https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/36240723653.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/e2fe60d5fde5de0c1b9d51476071de73/kosar.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac546bd44e9---65991727035.pdf
- http://helpibr.org/clients/f/fe/feaff840d005acecac0f151e8679c8db/File/45636959684.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd505359dac---54318885462.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b1d40e885---warofogumilolakexobanatol.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609829f2d8553---tofobiduxopulele.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/7d0261894029f550ba71c0131c055d7e/26312168723.pdf
- https://almoheetmanpower.com/public_html/userfiles/file/1564536633.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=constance+hall+big+brother+2005
- 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_off0000f60a.binbc1755c72025e484e0369549b8120533d3a6e9a1a92df489e9b20f25421f2d92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60A | 17620 bytes |
font_01_sfnt_off00012416.bina74235876d3fc8e1c6fddd60bd0022e2ac351a54fba923ddce216a46a0d4fee4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12416 | 11056 bytes |
font_02_sfnt_off00013dde.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DDE | 16792 bytes |
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