PDF malware analysis — malicious · 34e14ca144541af8

MALICIOUS

PDF

36.2 KB Created: 2020-08-06 06:09:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 93295d88c5cdb397291638f16e6fe652 SHA-1: 80a330776875d76e0d29220c00a9af5cdff35ae2 SHA-256: 34e14ca144541af8c7be1c0db17fe9aada3961748b4671fe86df58a1c4ea529e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=materials+characterization+techniques+zhang+pdf', which is flagged as a malicious redirector. This suggests the document is designed to trick users into clicking the link, likely leading to further malicious content or malware download.

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=materials+characterization+techniques+zhang+pdf
- http://kilixolaw.movingintobalance.co.uk/uploads/1/3/1/0/131070161/gajedujuragijiv.pdf
- http://files.sayit.shop/uploads/1/3/1/4/131437474/5ccdcbd96.pdf
- http://files.mindbodyconnectionmassagepilates.com/uploads/1/3/1/4/131407263/kulaluvipim-budob-tixup-pugepo.pdf
- http://files.brushlove.ca/uploads/1/3/0/7/130775607/9aebbc.pdf
- https://cdn.shopify.com/s/files/1/0440/1774/6070/files/5996052510.pdf
- https://cdn.shopify.com/s/files/1/0435/4929/4756/files/56292242766.pdf
- https://cdn.shopify.com/s/files/1/0432/9478/5694/files/6771919396.pdf
- https://cdn.shopify.com/s/files/1/0435/1829/6232/files/86336692432.pdf
- https://cdn.shopify.com/s/files/1/0429/7759/1449/files/pamupedefujejixewaki.pdf
- https://cdn.shopify.com/s/files/1/0430/8670/8893/files/powiri.pdf
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/dukinerom.pdf
- https://cdn.shopify.com/s/files/1/0432/2341/6987/files/nitosiw.pdf
- https://cdn.shopify.com/s/files/1/0434/9437/5576/files/warowurubewi.pdf
- https://cdn.shopify.com/s/files/1/0431/6043/6887/files/migeju.pdf
- https://cdn.shopify.com/s/files/1/0447/1137/9097/files/cedaw_myanmar.pdf
- https://cdn.shopify.com/s/files/1/0435/9861/0589/files/popunegemajomamifu.pdf
- https://cdn.shopify.com/s/files/1/0429/7264/3491/files/tatifitabikimu.pdf
- https://cdn.shopify.com/s/files/1/0436/2970/7422/files/veven.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_off00004faf.bin` `6d6ad1fa05d0f62aad455208a200d4b2fa9922262c8d39694b5e356e8a9cee8d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4FAF	5600 bytes
`font_01_sfnt_off000062c4.bin` `995579148da16615f0bc0cf42f8fe759e6aa17fe1ca0dc313131e81c6dd28a2e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62C4	9580 bytes

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