MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The 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, with many URLs pointing to compromised CMS upload directories. These links likely serve as lures for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://otoform.com/upload/ckfinder/files/pusalomamawarim.pdf
- http://beijingxinzhi.com/userfiles/file/20210906205556_1397190761.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/13fa5392daf5360f9933e44ab516593f/newowijekuxerumuvi.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/10c271cb42de3e82dce82087d92392d5/20877450693.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5845d0fd3e39e9ab4aac067f7463f44d/luwovasafefevol.pdf
- http://prplus4u.com/ckupload/files/xiguvinun.pdf
- http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/38271737577.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/lf6diruh7q052q04lvsnh3gbm5/toxukepevel.pdf
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/31111317205.pdf
- http://sushiyaslo.com/uploads/files/kumubi.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/7f0b5c4491a5b89a44548da1b554bdf5/39721140897.pdf
- http://hotel-gerard-dalsace.com/upload/document/tufowazotadugiveliluxi.pdf
- http://nokianhakkablue.ru/ckfinder/userfiles/files/nupevuvemufam.pdf
- https://fa-vietnam.com/webroot/img/files/96306999953.pdf
- http://bjerkelunden.org/content/files/userfiles/file///lulawakugubumovakif.pdf
- http://nhuaduongnhapkhauaz.com/upload/files/zijevirodoxapixamuked.pdf
- https://autosaloncenter.com/uploads/file/zolukuriruludegulifi.pdf
- https://ytdrive.com/CKEdit/upload/files/34768645197.pdf
- https://idea-web.ro/app/webroot/files/userfiles/files/degalawotenojite.pdf
- http://szerecsengyogyszertar.hu/editor_up/vorufaxedixoxowomitezodef.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/ul2ubqahkjsrhg7ajaamruj1mq/475385496.pdf
- http://pappteam.hu/userfiles/file/jaxidifeleniwur.pdf
- http://aan.kz/ckfinder/userfiles/files/dufixotaril.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=personalize+android+home+screen
- 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_off0000b19d.bina6e0178150e10e20042e659bb068278cb1788a6381b0a5f8391a73a26e74eb82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB19D | 10600 bytes |
font_01_sfnt_off0000c99f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC99F | 16792 bytes |
font_02_sfnt_off0000e1b1.bin74ab79072898370b6028cda7ea5f28397a48069678f3556852594f90c8516b8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B1 | 14744 bytes |
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