MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites and other disposable hosting. These links likely lead to further malicious content or phishing attempts, indicating a spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160d923cde0d80---besijesubatagexolonifod.pdf
- http://pop-around.com/file_media/file_image/file/99936936168.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/ks9o67nvkvj690u60nqkql6fmr/80432806095.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe1b6ca2de---3226390412.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609222f45f900---jabukujurubutuva.pdf
- https://aimtronu.org/userfiles/file/wefarabasusejod.pdf
- https://alate.org/admin/fckeditor/editorfile/37515442786.pdf
- https://cliniquemyo.com/userfiles/file/7907386726.pdf
- http://iccj.jp/images/uploads/fckeditor/file/rizumig.pdf
- http://akicgiyim.com/userfiles/file/44286238510.pdf
- http://absolutelyneon.com/userfiles/file/vuborodo.pdf
- http://sun-green.be/ckfinder/userfiles/files/74903036715.pdf
- https://relans-nn.ru/images/docs/file/ruzafisisijonipumakum.pdf
- https://angelsstaff.com/uploads/file/86645432468.pdf
- http://spzpoz-zdunskawola.pl/upload/file/69984497174.pdf
- https://sankaibearing.com/userfiles/files/kifakefabuvajul.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca0a20ffb7---gutavejodumimepiwapewojov.pdf
- https://perfectprojects.ro/userfiles/file/28408393568.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700ea9c4ff1---89360273468.pdf
- https://coebmsf.com/userfiles/file/vudasaxegi.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/0fsh6endje4n7ve8b1ivgc1ipd/laxojagidivabojudub.pdf
- http://pattarasawat.com/ckfinder/userfiles/files/wojokepurejodigovabudi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=hookworm+merck+vet+manual
- 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_off0000cf3e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF3E | 16792 bytes |
font_01_sfnt_off0000e750.bin89a69a7fefed65539989c0715685d2d0f3f43ede4e57994e98492c9d4668a72c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE750 | 17308 bytes |
font_02_sfnt_off000113ca.bin5d7c3734d0dd1c3bbe5713b1a266dd8b2e29becf8f51b62d4c5436e1e1eec301 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113CA | 10468 bytes |
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