MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f4e0cb70c---55209464279.pdf In PDF document text
- http://viewcs.com/partner/upload/dextfile/10364650438.pdfIn PDF document text
- http://aliglobshop.com/userfiles/file/51941106960.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b8c011cdc---16114215486.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/86620212353.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608768646d34c---kanifaputikasofotuvutolik.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/a1f9dcf168d3a86b499ed92999b04f3a/31731099272.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16076ee02b4446---98472465255.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/d5d0f195a986ff33322b0651070911ca/74234703872.pdfIn PDF document text
- https://p99.tw/pro_pic/files/tevejabamekomapu.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a001353da14---noxipibowotimogozo.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/027a8b6f45655a4bc99817bc43da2872/zafetitiwuzegasajotobov.pdfIn PDF document text
- http://www.aluvascientific.com/UserFiles/file/36736007127.pdfIn PDF document text
- https://printsolutions.ro/uploads/wysiwyg/files/25874483374.pdfIn PDF document text
- https://nestaerospace.com/uploads/file/bopijekozoto.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc53eea3a87---bumopijaxuxuzopen.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/vojamegirokul.pdfIn PDF document text
- https://actorconseil.com/files/file/vuxetubabum.pdfIn PDF document text
- http://wrhs1976.com/clients/0/08/080801f2a31a95d446b71e9836a5425d/File/88812553046.pdfIn PDF document text
- https://gulceoyunlar.com/calisma2/files/uploads/nuzivagaruzaw.pdfIn PDF document text
- https://dgaspcsm.ro/ckfinder/userfiles/files/zulanenumaduponobuvanu.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f49f0aeeb---welazinavubumixugo.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/cf013c0a09bc8332a11537a9897a8f06/33577121752.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/p091omlk24r6mv3goffj71o28k/kamenadulujuliboxisuburig.pdfIn PDF document text
- https://chauphongasia.com/wp-content/plugins/super-forms/uploads/php/files/t4pi9cgpcfq6kimbl984g0djrp/vivelezaru.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=download+slippery+by+migosPDF 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_off0000d2ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eac5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC5 | 10980 bytes |
SHA-256: ccb5cb62359710cbfd9c7e587aeb64fe67349b956cab714ccf59eeaaa6a9a858 |
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font_02_sfnt_off000103d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D3 | 18756 bytes |
SHA-256: 0d9bc67f2273bba71ed555da03d3772ad4a99cee6a5385e7e1d2aa0a01590eb9 |
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