PDF malware analysis — malicious · 246cedfda52d3db6

MALICIOUS

PDF

45.9 KB Created: 2020-08-08 14:53:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4ff26308c4c14ebd6d9b1771ab8d01f0 SHA-1: 287172e4a383d1af550f93f835c9b2a513a61f43 SHA-256: 246cedfda52d3db6bf38522d76f9977f8e1eb60cae65bf6c7af955747aa4c96e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes text related to a diabetic diet plan and the wkhtmltopdf tool, suggesting a lure to disguise the malicious intent. The primary attack pattern involves redirecting the user to malicious infrastructure via the embedded link.

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.com/pify?keyword=plan+de+alimentacion+para+diabeticos+pdf
- http://lasami.alliesandfriendsmn.org/uploads/1/3/1/4/131407406/5823924.pdf
- http://files.bitsbottlesbush.com/uploads/1/3/1/4/131453255/zemijojusas.pdf
- http://files.idesign-mobile.com/uploads/1/3/0/8/130814900/b81a932894fe2f.pdf
- http://files.keepeducationpublic.org/uploads/1/3/1/3/131384071/dusutavetox-xugunasuxe-pimajik.pdf
- http://files.designetchingandawards.com/uploads/1/3/0/7/130738662/rugavozu.pdf
- https://cdn.shopify.com/s/files/1/0430/9119/8112/files/21280615769.pdf
- https://cdn.shopify.com/s/files/1/0438/1471/5549/files/80621279381.pdf
- https://cdn.shopify.com/s/files/1/0432/0660/7012/files/dowekejuwagojibapebuzikul.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/narasimha_kavacham_lyrics_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0435/6807/0824/files/51624313807.pdf
- https://cdn.shopify.com/s/files/1/0436/7620/5209/files/87879597510.pdf
- https://cdn.shopify.com/s/files/1/0431/8671/6830/files/81440573364.pdf
- https://cdn.shopify.com/s/files/1/0434/0213/3653/files/cidos_e_bases_nomenclatura.pdf
- https://cdn.shopify.com/s/files/1/0429/1123/6259/files/13761084335.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/fujifilm_xp90_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/1824/8601/files/59711932.pdf
- https://cdn.shopify.com/s/files/1/0433/4416/7064/files/51319236023.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jepomosojavadoji.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_off000072cd.bin` `dc83f749b42c668412ad5e183ea0c193f3671cfff25a8a506e21ff85643b3c4b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72CD	5444 bytes
`font_01_sfnt_off00008533.bin` `2eaad508b60dd6cb5ba03efcc78b2599424fe0ce1db22acc08eee67dc2155419`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8533	11316 bytes

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