MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or are hosted on disposable domains, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a malicious tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/ts7ur22vm9knnd2f7j8kvr05l1/nakejexewag.pdf
- https://onlinendttraining.net/files/jubinajesi.pdf
- http://auroraenergyproject.it/userfiles/files/defavotofupiwedejoka.pdf
- http://chokmanee.com/userfiles/file/buwobiwugedozuzorekapid.pdf
- http://alarcon-v.com/editor_upload_image/file/4717932526.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160903d1f31b63---womoxap.pdf
- http://travisreunion.com/clients/1/1d/1d9c560ef9ee6310b862f4c9d288d7bd/File/legiwivebineradew.pdf
- http://mooneyes.pl/userfiles/file/22197836974.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/85bed888bff4a4e7a6ede2bf425255f1/degilizixegajo.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982f53ee576---80638889695.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/5c0b9d9b7399c2e7c453632ead892209/42064532645.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/cef9a1dab665609f4432316eabe48a6a/jumelul.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/sdm3nitrtukep0h2anjmah5b34/kubet.pdf
- https://kisikana.hr/userfiles/file/wusojefamejiror.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2edfd00dca16fb8468d306c8694164ca/45617888985.pdf
- http://melly-incendie.fr/img_db/kapuxopojovaxup.pdf
- http://www.deewanalarab.com/up_imgs/8932817329.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2afa7bc00---wixewisirubagig.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c2e520a12---tozovevazawikux.pdf
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/6o8evguk7m9vpgkmrumi4l2khi/sevutuvisegapitunopiladu.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074257d1dc98---82349302719.pdf
- http://antifftech.com/uploadfile/file///2021052110281973.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/4b7c3130851882d3cf2c0f6766cafa6a/27182517764.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=doberman+puppies+docked+and+cropped
- 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_off0000efde.bin1538336f1e77e44302ae83e270002ccfa66376b18efbb296bdbae29592c2c7b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDE | 10864 bytes |
font_01_sfnt_off000108a8.bind7fdd7cdf5a3c13119d91e2d0f81c730e1d07686ab95963801372cd2f8b645d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A8 | 17144 bytes |
font_02_sfnt_off00013597.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13597 | 16792 bytes |
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