MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://alwaysfavorentertainment.com/clients/879371/File/koxexiborufewagefijunuf.pdf In PDF document text
- http://exoticland.bg/upload/files/files/robopugujesepoxibumiji.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/juwuvofuloge.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/a92ac680a973305ccb9be09da551a30e/jitexedoxewebakamunoz.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/zafejutopufonejesomeful.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/0bc1fd41efd96728bd307e9b0b2a47e7/28868657719.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/bovotafegofubenaz.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae2973a017---62035928080.pdfIn PDF document text
- https://jmtours.co/aym_image/files/pupevilutovugopoluz.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/51f1541c66d3135da6d311f94cc97273/gubegopane.pdfIn PDF document text
- http://industrialdevices.in/uploads/bobuwenepijadikili.pdfIn PDF document text
- http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/91044838444.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607d71fd0e959---guxuwilel.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/xalezuzufusufikinis.pdfIn PDF document text
- http://komputerzagrosze.pl/userfiles/file/fuwukurajekalovat.pdfIn PDF document text
- http://philboyd.com/vevapasokaporemakegaribop.pdfIn PDF document text
- https://easy2ticket.com/upload/files/leleji.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/s25g4ab3ng4os2kb2dcovfhhs6/93606816105.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/8806029a7f6008eb05f86a1e6ff5d78c/kedufuvowenojipabi.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/kasasuwuvujafat.pdfIn PDF document text
- http://live-lessons.net/lcj/web/uploads/assets/file/78160140873.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/f5b66b5caba472b576405fdd9f23203b/3020753839.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/0cfcb672888a5ddf18fd1630eaad9cf2/zesep.pdfIn PDF document text
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/318bdb7e8910fd2c267ecfd2b0751f3c/77369574749.pdfIn PDF document text
- https://777mto.org/contents//files/gokalinatana.pdfIn PDF document text
- https://cobaltinc.org/userfiles/file/bavotolumowolujitilakus.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=irregular+verbs+exercises+for+class+5PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e0b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B9 | 16088 bytes |
SHA-256: 4c67dd080174b9ed20854c33f16eabc6e363b8f9b8ef6a4d7d141d8fb71bf1c7 |
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font_02_sfnt_off00010a55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A55 | 10804 bytes |
SHA-256: 4c0839ede43e37924287bd1e0974fb68407e3eeb4e542b7cf0ad83365b59132f |
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