Malicious PDF — malware analysis report

Static analysis result for SHA-256 29f455e5373f4dce…

MALICIOUS

PDF

43.4 KB Created: 2020-08-08 14:17:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d43fa6a37aa70deb5e84e6e8751fad2 SHA-1: e140632c450c73166a9da4d89423059344efee67 SHA-256: 29f455e5373f4dce5c7be12e9a5f9b1aebdf7077ab6cd41f25707ac54cdaeb91
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, with one heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to a 'bottled water business plan' and the malicious URL. This suggests a phishing or social engineering attack aiming to redirect users to malicious content.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.cc/pify?keyword=bottled+water+business+plan+pdf
    • http://noxupufat.salvadorpaniagua.com/uploads/1/3/2/3/132303382/letire-luxeki.pdf
    • http://files.504whodatmonogram.com/uploads/1/3/1/8/131857916/3785051.pdf
    • http://files.awesomewomenlibrary.com/uploads/1/3/0/7/130739532/didugubadekeb.pdf
    • https://cdn.shopify.com/s/files/1/0431/6381/1999/files/50303383842.pdf
    • https://cdn.shopify.com/s/files/1/0432/2259/7796/files/mebipojut.pdf
    • https://cdn.shopify.com/s/files/1/0431/7957/3414/files/lotulokewi.pdf
    • https://cdn.shopify.com/s/files/1/0450/3732/2390/files/loctite_3609.pdf
    • https://cdn.shopify.com/s/files/1/0429/2250/8454/files/13560769441.pdf
    • https://cdn.shopify.com/s/files/1/0438/6557/1493/files/juvisirukewewusodoradarel.pdf
    • https://cdn.shopify.com/s/files/1/0432/9819/3573/files/international_journal_of_cervical_cancer.pdf
    • https://cdn.shopify.com/s/files/1/0431/5018/0514/files/damewumasilagu.pdf
    • https://cdn.shopify.com/s/files/1/0432/7574/7491/files/ziwav.pdf
    • https://cdn.shopify.com/s/files/1/0430/3175/6957/files/nexizesalit.pdf
    • https://cdn.shopify.com/s/files/1/0432/6978/3720/files/puxefosapijisegadoru.pdf
    • https://cdn.shopify.com/s/files/1/0433/2571/8678/files/8946814472.pdf
    • https://cdn.shopify.com/s/files/1/0427/9821/9420/files/14693114418.pdf
    • 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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006ac4.bin
5df5de68a0da258795482509b1254113481be61deeb72f263775f0eeca6fc235		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AC4 5316 bytes
font_01_sfnt_off00007cf1.bin
8abf1b2172f541acb727d414057bd181e6c71034e0f767e5cc83aef8e4dab53c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CF1 10528 bytes

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