PDF malware analysis — malicious · 0a8e341be533e8bb

MALICIOUS

PDF

89.6 KB Created: 2021-03-29 14:00:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 01dc76637b9a619ee575ea50511881ec SHA-1: 13e60f46c6d1e0980b76cbdb0c380bdec11f6b66 SHA-256: 0a8e341be533e8bbcbd5c38a012716512fe2172e6e8d69422f16117c0c394b26

196 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE

Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://jacksth.ru/strik?utm_term=belkin+netcam+hd+model+f7d7606v1+manual PDF link annotation
- http://mobevusujezuno.22web.org/thefatrat_jackpot_sheet_music.pdfIn PDF document text
- http://fb-ig-violation.com/greenworks_1600_psi_electric_pressure_washer_manualw12bu.pdfIn PDF document text
- http://presalon.xyz/39069846141osncx.pdfIn PDF document text
- http://marketeuro.pro/jurixulumorudol63e2.pdfIn PDF document text
- http://filanion.online/how_to_use_the_camera_of_mobile_to_translate_offlined9n4r.pdfIn PDF document text
- http://wordwild-store.com/ruwutaberujidefewalilikolv1j9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zumezeviwakiz/acrobat_reader_8._0_full_crack.pdfIn PDF document text
- https://s3.amazonaws.com/jujojomojemiz/accelerated_math_2._0_manual.pdfIn PDF document text
- https://7b4e975e-109f-4397-a679-93e438ff1453.filesusr.com/ugd/c33f71_f32a9c93f946474a83cd612adedb2062.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sakaburepagase/how_much_does_it_cost_to_service_a_harley_davidson.pdfIn PDF document text
- https://1b6fe947-be7e-4494-9a94-f566f178d3d1.filesusr.com/ugd/89064d_d63739b114e64b2997bdee1a393a6243.pdf?index=trueIn PDF document text
- https://6e8b94c7-278c-4a65-9c30-8d61c93a8f31.filesusr.com/ugd/9ff9b8_2e3c0468a3d541f9a5e52585395c7b88.pdf?index=trueIn PDF document text
- https://6bc553e5-d0de-4278-827a-c77c8eb32fbd.filesusr.com/ugd/4a6c57_5f646384ee3d445cb5d017e7d4192a3e.pdf?index=trueIn PDF document text
- https://945b3f91-9c76-4178-be32-f0dab3cfe2c6.filesusr.com/ugd/8d5d69_ff0960e72a4a448ebe20f1b596630665.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/didowugorokirug/pexagajunenara.pdfIn PDF document text
- https://247e77cc-5367-4382-8586-7c5891409f42.filesusr.com/ugd/2dbf5a_3f49a12a1e0f459da22dbc594739a0e2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vibasujefir/80155050842.pdfIn PDF document text
- https://e809654a-a95b-4dbc-a338-24085255a2f8.filesusr.com/ugd/1b6cec_5069230924d64dc4af7c150507c46e22.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/voxipanovigepiv/tibaxisesanam.pdfIn PDF document text
- https://s3.amazonaws.com/dufekifaral/bimar_abid_free.pdfIn PDF document text
- http://vanosojude.epizy.com/maxwell_forever_warranty_reviews.pdfIn PDF document text
- https://s3.amazonaws.com/lupebesu/86155745713.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010694.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10694	5588 bytes
SHA-256: `efcf02bfee4027f1d7aa442083420d8759ab5d3d145cdbdbb6e8f356fda5d3d8`
`font_01_sfnt_off0001198f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1198F	11668 bytes
SHA-256: `96184a09b811ffdbad6d7f98daf359d3bd02354c825a6fd1cf507fd65785fdb4`
`font_02_sfnt_off000140b9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x140B9	16816 bytes
SHA-256: `4ad30aba88088c2759c9855c4ce79e0bbe43b95ec77ec00ecbaa4bb412ebc241`

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