MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to domains identified as potentially compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm on disposable hosting, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' suggests links to compromised WordPress sites. This pattern is consistent with phishing or malware distribution, where users are lured to malicious sites via seemingly legitimate documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://mckeoughfamilyreunion2021.com/clients/b/ba/baf9e6b347377fae0abe5a87436fc4cf/File/58581462639.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db429bc70e---28669029484.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/bo5ctul2a5o8q8b4llf6kjl7pd/xokoduxudesexo.pdf
- http://xnucleus.com/members//member_images/files/21068635601.pdf
- http://fszhenjia.com/upfolder/e/files/20210716190010.pdf
- http://sl-light.ru/design/img/upload/file/tusenoguroxufedebosegaput.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/7g782a801p93l9pcdakghm6ll2/1210539263.pdf
- http://veraschwemmle.de/fckdata/file/91042309485.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/bvhl71c52ovu719i34dqq2j3o7/vatululositamut.pdf
- http://jamessham.com/admin/usercontent/file/79608232116.pdf
- http://ginzaramen.us/uploads/files/rejowapajivuvofubupul.pdf
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/77415969584.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/69466463927.pdf
- http://bebsulmare.com/userfiles/files/39201837684.pdf
- http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/4838938301.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/9d123866aa03454528169a1cfe57340c/37281600100.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c593a1e56---torafaki.pdf
- http://komputerzagrosze.pl/userfiles/file/takixinugudebomorep.pdf
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/0131785c9849f859019a29763fdb4b87/lilamabagiwe.pdf
- http://bantinnhadat.com/users/files/11998688481.pdf
- https://www.leasing.net.in/ckfinder/userfiles/files/35023052750.pdf
- http://www.giuseppe.ru/ckfinder/userfiles/files/bobikiwotidirukuporemomow.pdf
- http://bongoes62.dk/userfiles/file/ruwil.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=interpretar+hemograma+completo+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_off0000f0f7.bin476217e20b4d7a99c7b5d729ef85fd78b8e579fa0b03a1114504e9133dba9123 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F7 | 18488 bytes |
font_01_sfnt_off00011fd4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD4 | 16792 bytes |
font_02_sfnt_off000137eb.bin5fb7d2ac2b1873d3abfba8603c401598a682084068754a150676f9c165967680 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137EB | 10756 bytes |
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