MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs that point to potentially compromised websites or disposable hosting. The presence of a 'utm_term' parameter in one URL suggests a phishing or SEO manipulation attempt to lure users with search terms like 'roblox apk'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://chcial.ru/uplcv?utm_term=roblox+apk+latest+version+2021 PDF link annotation
- https://hsdinstruments.nl/uploads/files/14552203215.pdfIn PDF document text
- https://vcubusinesssolutions.com/userfiles/file/17947604629.pdfIn PDF document text
- http://xn--e42bt3l.net/upfile/files/linaz.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/05cc892525938d293c63778385d9b94b/lekojavekisukem.pdfIn PDF document text
- http://constantemail.com/userfiles/file/1630776263kosoferemidex.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/99747acdc56f496a69377e3d71d399ce/boxupevesojumaduk.pdfIn PDF document text
- http://naosgym.com/userfiles/files/70592878987.pdfIn PDF document text
- http://cnc-soustruzeni.cz/files/file/40926252954.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210915161157.pdfIn PDF document text
- https://atputasbazes.lv/images/userfiles/files/17940885277.pdfIn PDF document text
- http://cyklo-sport-servis.cz/UserFiles/File/36446718529.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/gokexas.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/96889833115.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323194e71a9---39318141133.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/f052831a1fa823d87038ecd87f91b1b2/38204069540.pdfIn PDF document text
- http://scantech3d.com/files/valufilavutejewigaze.pdfIn PDF document text
- https://apgr.eu/UserFiles/file/20070080264.pdfIn PDF document text
- http://vertex-decor.com/userfiles/file/xifijojo.pdfIn PDF document text
- https://eurosan.pl/user_images/file/notolorawu.pdfIn PDF document text
- http://ogcdc.org/uploads/ck_upload/files/81765891225.pdfIn PDF document text
- http://yaan121.com/uploads/files/202109140751032328.pdfIn PDF document text
- https://robert-zauer.cz/userfiles/file/23025604022.pdfIn PDF document text
- http://palyavalaszto.hu/teszt/upload/file/wetukepot.pdfIn PDF document text
- http://geopraxis.it/userfiles/files/purewevosalulolor.pdfIn PDF document text
- 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_off0000d62c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD62C | 10984 bytes |
SHA-256: b5c559d3d09c64bb90306d64728c418328c618d715f412bade48f54dc23a82db |
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font_01_sfnt_off0000efba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CC | 17732 bytes |
SHA-256: c77b821f12cda8b34b9fbaa9c86836c789774554e01e048c51238a2502a2b071 |
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