PDF malware analysis — malicious · 3cc04a97a48e7ef6

MALICIOUS

PDF

41.2 KB Created: 2020-08-23 15:38:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 69160301702908491b48d4f677a6e595 SHA-1: c17b41f22341b229a1ae9c1ea09fa8c06651cf04 SHA-256: 3cc04a97a48e7ef61c7686db5aadc2eef98f48a60c0545cbdc14f11debe06cc9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to external resources, a technique often used to inflate search engine rankings or distribute malicious content. One of the primary links, 'https://ttraff.com/pify?keyword=past+simple+question+form+exercises+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the same URL, suggesting the intent is to redirect the user to malicious infrastructure under the guise of providing educational materials.

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=past+simple+question+form+exercises+pdf
- http://sabetudu.mizunagardens.com/uploads/1/3/0/8/130814070/6651835.pdf
- http://files.tanditech.com/uploads/1/3/0/7/130740483/tabukowemumajebilafi.pdf
- http://files.westvillageclothing.com/uploads/1/3/1/4/131407214/rigogiw-kupezufubuvop-kasuvagado.pdf
- http://files.marshaclarkart.com/uploads/1/3/1/4/131438759/550351a7.pdf
- http://files.mindfulsomatictherapy.com/uploads/1/3/1/8/131872105/puvuwoxi.pdf
- https://cdn.shopify.com/s/files/1/0432/4088/2343/files/18121197300.pdf
- https://cdn.shopify.com/s/files/1/0438/0209/9873/files/telalizatedeliwuxib.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69651331918.pdf
- https://cdn.shopify.com/s/files/1/0430/7353/6161/files/nedibamabawode.pdf
- https://cdn.shopify.com/s/files/1/0432/0755/7283/files/1153779587.pdf
- https://cdn.shopify.com/s/files/1/0428/5100/8671/files/nobofelor.pdf
- https://cdn.shopify.com/s/files/1/0432/7096/3360/files/basic_bodice_block_pattern_drafting.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7082322425.pdf
- https://cdn.shopify.com/s/files/1/0433/0972/7912/files/fifa_16_free_packs.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004c10.bin` `ec62042e622ff1fdce49f41b52a381426089b1e129f0247e4c5a27784f56ee96`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4C10	5496 bytes
`font_01_sfnt_off00005ea5.bin` `1a4aa64233c86cf23852ca45ac247ae6b892f98827670a043768af82df2ec768`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EA5	9948 bytes
`font_02_sfnt_off000080ee.bin` `d78d7cc1a68daa951b4fbccbcfb906d5a08ad384f187125596154666a45abe72`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x80EE	16060 bytes

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