MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised CMS upload directories, indicating a link farm designed to redirect users. ClamAV and ML classifiers identified this PDF as malicious, specifically flagging it as a phishing trojan. The embedded URLs suggest a phishing or credential harvesting attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a525d469e6---xafofenukuxugepomomikewu.pdf
- https://alnahamgroup.com/userfiles/file/wupamuserasugegolafob.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/2fd3289ad26e697b383eb326de587095/morewazis.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609220068ef5c---87161828971.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/227a1e56526599bcf935a6623c60b5c7/gadotut.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160a34582f2e87---39364382489.pdf
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/5c7480801308077e7960fef0b473c230/gasomagipuju.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6e37c2246---risinofajejozevuteva.pdf
- https://rajaunited.com/contents//files/nepuluwemulafap.pdf
- http://kameleonhastanc.hu/files/file/46293031313.pdf
- http://gokea.org/upload/editor/files/dekuxebu.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd72208ec8---piwupedefisogosopubar.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f445b5eed2---3198685580.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf4b92ac3f9---lebubulelizojuzamabotib.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/f5764251f10df0b40926be82e9488e0a/8662205764.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/phb7lhp04tijr7rp1ventuch7h/lowekivarumetenofexatik.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ec5b3e22e---98095647254.pdf
- http://files.ibiza-ferien.de/file/bukopukalijikeboxuzir.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/965ef41293fbac76ebc9630a8cbd58d1/5883237770.pdf
- https://wodepcb.cn/uploadfiles/files/62331369335.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a910073d13---73270756763.pdf
- http://files.ibiza-ferien.de/file/zavizoxe.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/dc4133b4e93a26fadba51fcaacead63d/282152407.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=pocket+watch+tattoo+meaning
- 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_off0000f217.binfdb7ad9cd83e2eb7ab85c05cd3e88bd42878b1e12baf41ce3754c367d605f5fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF217 | 10540 bytes |
font_01_sfnt_off00010a09.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A09 | 16792 bytes |
font_02_sfnt_off0001221b.bin17a3a79390e78a176cdebf1f9f37db6f9d4604ade92cf28974f46a21572c0e75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1221B | 16364 bytes |
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