MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as phishing and a trojan. It contains a link farm directing to multiple URLs, many of which are hosted on compromised WordPress sites using form builder plugins, suggesting a phishing or malware distribution lure. The document body is heavily obfuscated and unreadable, providing no direct content clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160acd02a52071---7874194972.pdf
- http://amadpich.com/userfiles/file/biwekipaxevavigoxi.pdf
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/bexuvek.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ue0gqu6qm2eh07g0graqriu7t6/sojaralur.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca0b6e9025---56202129036.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078a133dc96d---60749696737.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/8ki45rcrg6lm6op6h0j5ris9n3/novugupasa.pdf
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/dpf2gvk1c3r9rfug6hto6ekh9u/jovoxaxoguxuxofexa.pdf
- http://www.look4job.gr/images/_user_na/file/24292045179.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/6sekhvrc02qo4vbpl6ocnshfbj/69974470324.pdf
- http://malbreil.com/userfiles/file/76034928282.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/9b0bdbb858e42bacb2cbd2e17be7ee26/gebaxizaparatajumojejupa.pdf
- http://dgjst.com/upfile/file/linonagadarapokudesulet.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0ba68705a---tudokese.pdf
- http://china-zub.ru/userfiles/file/rupedonakiji.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed969d5a684---3436920128.pdf
- https://familienarbeit3plus.ch/userfiles/files/831222670.pdf
- http://tamker.hu/userfiles/file/36376413012.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/a228c16f502c6c2232dddcf2c5c6e082/demetedutimawo.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/m0d6epltn2gjl7vbqipd6lrlqb/92101056060.pdf
- http://ahcxdq.com/uploads/file/280406444044.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/207cb2242d52f2906f117dec88166246/8313013668.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb5a3547e0---56442852974.pdf
- http://crisismobile.com/ckfinder/userfiles/files/lejuloj.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/60892178ee89ee57e19d1e2fac188eaa/gepow.pdf
- http://sukhabalka.com/files/file/57462847782.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=championship+manager+18+apk+download
- 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_off00011714.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11714 | 16792 bytes |
font_01_sfnt_off00012f26.binbcd95a3819c38f59f1832ca2a17eeeeb8b16e44182160f5cd1abe20e249ab67d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F26 | 17888 bytes |
font_02_sfnt_off00015e86.bin32d493f860399bc35b82ca6848d215cf603f432a2779df2ed474a9c56dc35265 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E86 | 11212 bytes |
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