MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or malware distribution campaign. The document body is heavily obfuscated and appears to be a lure related to 'Chandrayaan 2 launch information'. No scripts were extracted, but the presence of numerous links to compromised CMS uploads indicates a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5b9c3840a---rezavosinubaxavoguvis.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/nh7jd35040eijg98v778omrui4/tonoturatibiduve.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609084da273d2---64686805355.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff3b0bb156---66558793533.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/e3e1666ad0d6a1ee89201ee7ea4797a6/6109474955.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5feb1eb93---buxez.pdf
- http://bpabv.nl/uploadfiles/file/wivititirewibesu.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/p61u174jen1334ok3m02otvmho/38455098019.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/bdbd10d76b69cc3abec16cefdf167e71/muvipen.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/tjstif9ds1ks80gmfi2h2f60r1/mumixoputusabomanurezurap.pdf
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/63c4d320c80dffa45cfbcd4653d8845f/98372824798.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16078586834268---86870659413.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076cd64e83e1---toferebinilerupilubawepim.pdf
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/cbf29f1b7c8f726c9e427b7f84943a0d/xomuf.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/056809344ed54da425f7811f29e8a63d/duvideduxisimiz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fedorahosted.org/lohit
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=chandrayaan+2+launch+information+in+english
- 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://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a541.bin7299d973d8cd787a763e536842b062a487230fc89375ca3ced56cc464f023a71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A541 | 5572 bytes |
font_01_sfnt_off0001b818.binb9b20f9f1b7da781a1c1c103719368e39a11ebfc713557ddcd745a80156f421e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B818 | 13816 bytes |
font_02_sfnt_off0001e4cf.binead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E4CF | 16164 bytes |
font_03_sfnt_off0001fa24.bin942721f49c17e3397c5552a4f96cf2239194be14c5c2c2c5a4e20a5f8213e65f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FA24 | 3236 bytes |
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