MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, do not provide specific content, but their association with compromised sites and link farm behavior strongly indicates a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://edwardlankin.com/clients/86087/File/93462045028.pdf In PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/0u6ucbi0jtthi5pts9e4poqu54/58549247952.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/546cf56f012f4ae417aac5dec04d91ab/60755134985.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/ed501108ac7bc6f182e772ef8e251401/21300037942.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b54f4e5bfd---naginamidudapunoxok.pdfIn PDF document text
- http://ournextfamilyreunion.com/clients/4/49/491fb30de6d8464ca6518fa43aba5bd5/File/xonem.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3d82de9b3---buxorowanupironekug.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c5d6ca82e---kesudeneropifamusasu.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/bbe41d8bbe95b89a4eae5c155333bf1d/57093032294.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/melufeliketilal.pdfIn PDF document text
- https://areicon.com/images/file/vaguragiputinus.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/39757462895.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/63c74f5thg7srgjo871kqn4lv7/41801405579.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/6dff0429828f20fea4a8ffb4a546c60e/fobivozijen.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210621103205.pdfIn PDF document text
- http://oilandgaswork.com/userfiles/file/92678976577.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-30/20210530122604101196.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/70675651939.pdfIn PDF document text
- http://virus-safe-zone.com/ckupload/files/kiweludukuwexizarebepu.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/723164c18a7cc16b5c2eb305c7a22344/10166562655.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e52cacc1e---3369441009.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/gaop7ga237v1upt30oiqs89dq1/28562035610.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd137777fcb---2750917562.pdfIn PDF document text
- http://bjxbw.cn/userfiles/file/4448818438.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/48d6aeb421fe4221f839590ee33299eb/59960116729.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=present+simple+vs+present+continuous+conversation+questionsPDF 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_off00010682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10682 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011e99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E99 | 10848 bytes |
SHA-256: a08e22b8fa6cde54deb0a019050874937457c703ce30fe6d80ab8839bcaa8718 |
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font_02_sfnt_off000137b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137B0 | 18032 bytes |
SHA-256: afca97e1a7fbfc306809eca5389424f605eeb716ef1ba875bf5ceb87e0e7240e |
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