MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms on compromised CMS uploads points towards an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://archism.ru/uplcv?utm_term=carrot+yield+per+acre
- https://akapacha.com/userfiles/file/mebaxi.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/fdli3pn6j7435mq5sg95mdrtc3/jamakuzinedafajes.pdf
- https://absoluteanytime.com/media_file/files/files/19763333840.pdf
- http://acpiindia.com/userfiles/file/norolizudilivudivuridere.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160764e2b52937---24460868536.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/0nkicgftcdc2icslifl2um98v2/girujidexotezubowo.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/9d0a47c508933387cd83f25690110acd/toxazejakagod.pdf
- http://dentherapia.hu/files/file/3906823101.pdf
- https://miaousland.fr/ckfinder/userfiles/files/zeminuresofiwabi.pdf
- http://verkaufs-akademie.com/userfiles/file/33251828869.pdf
- https://equantumconsulting.com/files/files/5606985769.pdf
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/5f4269b52feba33d9fdbe2df50c890c6/gonisekawugofiwu.pdf
- http://akwarella.pl/user_uploads/file/bonomikanuvovosebozopizut.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b671575ff8---kifapamaguxufesoda.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c15963676---6500281187.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608492353e8af---babovugegodazija.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/aa555b2b3d10621b0f0c926fe8c5e817/tovet.pdf
- https://ahreco.com/uploads/news_file/7630574545.pdf
- http://www.asslar.de/downloads/24834244622.pdf
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/gu5vntj6veiete5j88e7ua9s6v/57598216368.pdf
- 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_off0001f700.bin325481347aa7701e2936d4fef2ed51bd216263826071c8adb4f26773424a6421 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F700 | 10380 bytes |
font_01_sfnt_off00020e99.binf0da1326a98f6e917505905fc35ff0dfc471643bb77891508c159043b7abec41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20E99 | 17240 bytes |
font_02_sfnt_off00023bbe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23BBE | 16792 bytes |
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