MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to numerous external PDFs, some hosted on compromised CMS upload directories, and presents a visual download button lure. The primary purpose appears to be directing users to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://didopack.com/files/59652968098.pdf
- http://www.lebedosapartotel.com/data/yukle/files/27641967139.pdf
- http://cristal-in.fr/userfiles/file/vadeto.pdf
- https://abe-rdc.com/userfiles/file/gufezotewikekanikidoxuvo.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d5f8b13e5---mibot.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab51a9ecd65---20780583197.pdf
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d381381da9---91029396099.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083d32fc55c6---57791979190.pdf
- https://mimpishio2bet.com/contents//files/38312120001.pdf
- http://narcisse.sk/editor_uploads/files/jojuz.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160affac981d06---vokugomopapafakibavafe.pdf
- http://historia-bfured.hu/userfiles/file/lorozemegiwisix.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607813b5a42bc---68428240404.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a376d29fdd1---gezuzirolug.pdf
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/49bffedf5350977cab2435c408723f22/vijupesunumarugoponimos.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/410897bbdd9b5fb365e67cec7973a691/lenabofonovigi.pdf
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16093c7fd7e739---lulovitevifu.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb0476e6a2---vijiberosinod.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdd91190a9---gumozekawojoxevisawotal.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/c89202d7b94b2fdb6c0eb11b05c6c974/77759455355.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/4a7db8c457a294d166910a04c6a9dfed/12238028385.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ecd7577793---bigasoru.pdf
- http://lucann.com/Upload/file/20379243193.pdf
- http://atomrooms.com
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=serway+6th+edition+solution+manual
- 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_off0000e048.bin57880b75046186024db019c6d055e311484b15d7f8a06eb88f31f30b95ce00d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE048 | 11056 bytes |
font_01_sfnt_off0000f9f1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F1 | 16792 bytes |
font_02_sfnt_off00011203.bin79903a74307351b8ba6042dfc0556965122fc9d8d25c808e873037fda98363dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11203 | 17236 bytes |
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