MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to distribute further malicious content. The presence of numerous external URIs and a high number of distinct hosts indicates a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f503401ac1---29253424555.pdf In PDF document text
- https://mvpartners.be/images/uploadedimages/file/bewepop.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/qgrof3h1q6bouslfolbe820h69/82364633395.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/81111758958fa4d68022c89a142949b9/vixepive.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607f41d66f079---62902269764.pdfIn PDF document text
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/21221216027.pdfIn PDF document text
- http://zjqzzx.com/uploadfile/file/2021072205160773499.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607755afe27dc---kixuruderonarotuba.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853ba04e4ff---zataberuxukakiwo.pdfIn PDF document text
- http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/mosax.pdfIn PDF document text
- http://sieuthivatlieuhoanthien.com/upload/files/72443461814.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/789c45b1e4120079263b87289dea64de/lukogeruzefe.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210615190130_2137448333.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a2aaf787ceb5f89cd2c4b6a872aa9cca/buvoxazu.pdfIn PDF document text
- https://voziky-paletove.cz/mctree.cz/pictures/other/files/dapatugikafodejeketigil.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a60f0b1e7f6---zapinosibamafugam.pdfIn PDF document text
- https://vietspices.asia/uploads/files/35939608729.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/ganojowimasasu.pdfIn PDF document text
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da3e69824b---ridagikobotiwujapedoli.pdfIn PDF document text
- http://redigonda.it/userfiles/files/82146342321.pdfIn PDF document text
- http://e-sportis.com/images/upload/rulavaviv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=hoja+de+respuestas+lainitas+ejercicios+complementarios+cuarto+grado+bloque+4+respuestasPDF 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_off00011453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11453 | 11444 bytes |
SHA-256: e09d6e1f1ab7299b932e4931490906206a81ecc938ba79d17a1eada86cdb8ea7 |
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font_01_sfnt_off00012e89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E89 | 19252 bytes |
SHA-256: 9b2c91e8c728e5b26d74ae760709e654249fe6af0f16f76a5e2d381ee3000310 |
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font_02_sfnt_off00015ff7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FF7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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