PDF malware analysis — malicious · e4b24a8ad9604c23

MALICIOUS

PDF

64.0 KB Created: 2021-05-28 03:44:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 02564fe8f01bb7e0778848ea08ca7683 SHA-1: d1c4f8445d5ebb412051b0280992c67a81e109c4 SHA-256: e4b24a8ad9604c23f38bd19c371d107efc7058c297eb62ebdaf1d624ead0a66e

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, identified as a PDF_SEO_LINK_FARM, suggesting an attempt to manipulate search engine rankings or redirect users to malicious sites. The ClamAV detection and ML classifier further indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs point towards a phishing or content distribution scheme.

Machine Learning

Nyx PDF Classifier malicious score 0.7291

Heuristics 4

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.
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
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://druttle.ru/strik?utm_term=ezan+vakti+pro+zil+sesleri+indir
- https://cdn-cms.f-static.net/uploads/4418383/normal_60556da2ac4a7.pdf
- https://cdn-cms.f-static.net/uploads/4497368/normal_60361901746f1.pdf
- https://berizezemimuto.weebly.com/uploads/1/3/2/6/132695806/tifopurevi.pdf
- https://suwanozafedo.weebly.com/uploads/1/3/4/5/134587456/1454410.pdf
- https://cdn-cms.f-static.net/uploads/4408190/normal_60121f7831623.pdf
- https://garizoruzaxa.weebly.com/uploads/1/3/3/9/133986237/e2a0c4f6ac.pdf
- https://xawoveramexu.weebly.com/uploads/1/3/4/0/134095940/960e1d.pdf
- https://kitetunevoneg.weebly.com/uploads/1/3/4/7/134703129/pepegipasibedakaji.pdf
- https://xofilovinavi.weebly.com/uploads/1/3/1/3/131379248/redavozerevojet_ravegegeza_nagatovepoxuvu_sodakifajaf.pdf
- https://cdn-cms.f-static.net/uploads/4456705/normal_5fe9d69dac2a1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/7998ee20-11e2-45aa-8a7c-1c114a154a90/4381878807.pdf
- https://uploads.strikinglycdn.com/files/f53469f8-1b8a-4063-bdda-57a6039975e2/71544613781.pdf
- https://uploads.strikinglycdn.com/files/6d342b42-9781-46fd-be4d-932cfdfa8670/56437566828.pdf
- https://uploads.strikinglycdn.com/files/bfd0c71f-674f-4384-abfd-a973a387312f/julius_caesar_and_cleopatra.pdf
- https://uploads.strikinglycdn.com/files/aa9acb8f-dee0-4132-8a25-6ff8487b2f48/how_to_start_studying_marketing.pdf
- https://uploads.strikinglycdn.com/files/0fa61d8a-37f1-4213-8736-ba6be8cbab02/64555776712.pdf
- https://uploads.strikinglycdn.com/files/a94ec83f-9ed2-4d2b-a903-0e225be3589c/dadijosusezafufir.pdf
- https://uploads.strikinglycdn.com/files/300239a3-256e-4496-9bb7-7723a9e223c7/ruger_lcp_380_extended_magazine_8_round.pdf
- https://uploads.strikinglycdn.com/files/12fb7c1c-adff-44fa-9227-0dc9f097ccfc/hidroxido_de_potasio_formula_quimica.pdf
- https://uploads.strikinglycdn.com/files/83d064b8-d881-4385-9184-78c1da93e64d/99731522311.pdf
- https://uploads.strikinglycdn.com/files/de719a4b-8021-45de-8ed2-4a8abbf36609/how_many_books_are_there_in_the_me_before_you_series.pdf
- https://uploads.strikinglycdn.com/files/d3170875-2387-472a-9bdf-0587d150a07d/how_to_share_on_facebook_as_a_page.pdf
- https://uploads.strikinglycdn.com/files/e1625251-5f4d-450a-b5d7-44940a97a762/mekokusi.pdf
- https://uploads.strikinglycdn.com/files/f42df220-a2f1-4a11-a16c-d06f95fcf71a/78410326578.pdf
- https://uploads.strikinglycdn.com/files/027c7448-78dc-4f75-aca5-c30aceb701ee/c_programming_tutorial_free.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000df17.bin` `57ddd683ea1d904a3561f0e5713c83cf918b03208bb387eaa321a48e227ba1be`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDF17	5084 bytes

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