PDF malware analysis — malicious · ec96384ec354639d

MALICIOUS

PDF

45.8 KB Created: 2020-08-10 22:50:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5edaf0e397e3f639468df0838d5bf346 SHA-1: d817fa316add0247717d4a800c853405b3b5dd85 SHA-256: ec96384ec354639d2d559f501e9207c790cc4539ff16cb43b7c0bba6fecb1fdb

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though obfuscated, contains text related to 'calories in food chart pdf' and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of multiple Shopify-hosted PDF links indicates a link farm strategy to improve search engine ranking and distribute the malicious payload.

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.ru/pify?keyword=calories+in+food+chart+pdf
- http://files.thebetterbrasspipe.com/uploads/1/3/2/7/132740218/daf3e1d8396c143.pdf
- http://files.veggieandlovingit.com/uploads/1/3/1/8/131857465/regefodut.pdf
- http://files.rotaryclubofwindsor.org/uploads/1/3/2/8/132814427/fovuvijosudu.pdf
- http://vozibubi.trendsterrabella.com/uploads/1/3/0/7/130776078/9508409.pdf
- http://files.eskernorth.com/uploads/1/3/1/8/131857445/dinanim.pdf
- https://cdn.shopify.com/s/files/1/0435/5378/3957/files/wojonigofajiw.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mipin.pdf
- https://cdn.shopify.com/s/files/1/0430/9119/8112/files/fupajuxas.pdf
- https://cdn.shopify.com/s/files/1/0436/7450/1285/files/84360407947.pdf
- https://cdn.shopify.com/s/files/1/0434/0721/2694/files/47357659115.pdf
- https://cdn.shopify.com/s/files/1/0430/8857/6673/files/sunquest_tanning_bed.pdf
- https://cdn.shopify.com/s/files/1/0430/0010/3073/files/47985832364.pdf
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/50750195230.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52733892229.pdf
- https://cdn.shopify.com/s/files/1/0437/4141/3527/files/31231685834.pdf
- https://cdn.shopify.com/s/files/1/0435/8550/3393/files/application_of_nanotechnology_in_environment.pdf
- https://cdn.shopify.com/s/files/1/0429/8014/7359/files/what_color_code_is_transparent.pdf
- https://cdn.shopify.com/s/files/1/0429/2011/6387/files/rst_form_army_reserves.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006b79.bin` `12922feb2a6029a803948a8332fb03b11bb7e9fa8c672abd0610b82c1ee1b67f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B79	5148 bytes
`font_01_sfnt_off00007cf4.bin` `9fafa85975773b6ccd79dfb880b7ebffbef9410fc765c0fc64d8a2efec9a5c22`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7CF4	14548 bytes

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