MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised or disposable domains. These links are likely intended to lure users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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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://buyafranchise.org/files/files/631376071.pdf
- https://olterus.info/contents//files/fozoguwosogi.pdf
- https://toyotaautobody.com/ckfinder/userfiles/files/ladeguwovavefuwad.pdf
- https://argentinaproduct.com/ckfinder/userfiles/files/xowadugamagubezonuza.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071aeb3b86bd---55535111984.pdf
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/tomidajolobofofe.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/51b0cb3bb913f9690c37a53fd41ddac9/talofur.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c12246ca21a---57118322436.pdf
- http://poaglasses.com/uploads/files/202108170223525814.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/9p40i4uonqsfqrshhqrmmrdbb0/zegudabamevulul.pdf
- http://qtjdb.com/UploadFile/2021/07/28/file/20210728_013541_199.pdf
- http://shriadinathbank.com/uploads/wibel.pdf
- http://autosklo.sk/pictures/file/tusovan.pdf
- http://samurairamenbar.com/uploads/files/jenuw.pdf
- https://paklya.su/design/img/upload/file/mefonatixegekekaxi.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f7796450a61---somopamukira.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160acb57e8a715---62667680709.pdf
- http://bonapartefamilynetwork.com/clients/7/7d/7d081654635712149502d88e72c54c2d/File/fagagorufijuloxolofi.pdf
- http://gldbirdgel.com/user_img/files/33881551957.pdf
- http://lso-msm.fr/userfiles/file/gupepijazuzobixakoxurus.pdf
- https://lentes123.com/aym_image/files/juxani.pdf
- http://resheto.ru/users_images/fck/file/gadedog.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=number+sequence+worksheets+grade+5
- 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_off00010a2f.bin89f6a5c5e1ebd747ca42c64a59ce8a167fceb1c7b21b4b706b542529b923828e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A2F | 11352 bytes |
font_01_sfnt_off00012459.bin44b34f562c8736b46b2fc8184492d1b9050966cdf32d17f520ac103c8982bf76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12459 | 19784 bytes |
font_02_sfnt_off00015724.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15724 | 16792 bytes |
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