PDF malware analysis — malicious · 294b2a4440c23bbe

MALICIOUS

PDF

55.6 KB Created: 2020-07-26 07:03:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 64d9835a8a88a687b062af1ad0827b01 SHA-1: a044d78b9bc90fe4cd68faf10aacf854f3b20ee2 SHA-256: 294b2a4440c23bbe58599a85cf191b29f881a02a668a9d18d671560715d7750c

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. Additionally, it exhibits a PDF link farm heuristic, with numerous external links hosted on Shopify domains, including 'cdn.shopify.com/s/files/1/0433/0595/9574/files/pijefilusatigesamu.pdf'. The document body, though heavily obfuscated, contains text related to 'Consumers report dishwashers', suggesting a lure to disguise the malicious links. The primary intent appears to be redirecting users to malicious infrastructure.

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=consumers+report+dishwashers
- http://files.enrichmentatmapleshade.com/uploads/1/3/1/3/131379118/0dd06aba980.pdf
- http://files.peacefulvalleyheritage.com/uploads/1/3/1/6/131637190/bc21e10e283.pdf
- http://files.bowerytrio.com/uploads/1/3/2/6/132695719/xoxufevadezivufakima.pdf
- http://files.peacefulvalleyheri
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/pijefilusatigesamu.pdf
- https://cdn.shopify.com/s/files/1/0434/3654/0069/files/melezepilefijowubi.pdf
- https://cdn.shopify.com/s/files/1/0431/4438/0578/files/sufejogadagarala.pdf
- https://cdn.shopify.com/s/files/1/0429/7113/6154/files/kokawomofupiledibadada.pdf
- https://cdn.shopify.com/s/files/1/0427/4136/6951/files/60347145662.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/puxopuximafexuvokozumofu.pdf
- https://cdn.shopify.com/s/files/1/0430/9496/6436/files/71312540312.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/kozavuvameme.pdf
- https://cdn.shopify.com/s/files/1/0433/8502/8764/files/34578012945.pdf
- https://cdn.shopify.com/s/files/1/0436/7620/5209/files/rokibixiwipipimiba.pdf
- https://cdn.shopify.com/s/files/1/0439/6895/4526/files/nunuxafizaro.pdf
- https://cdn.shopify.com/s/files/1/0433/5940/4197/files/41977330144.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94260126358.pdf
- https://cdn.shopify.com/s/files/1/0436/9501/4042/files/mofonemetawufuwewetisozur.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_off00009bc0.bin` `c48f144ad456a123f4b61dd69c4b1e145fa3db8e116ef8ecf98bdacc778ab674`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9BC0	5164 bytes
`font_01_sfnt_off0000ad29.bin` `fb19a9857a9972fa05858e5efbe786813ab806abbdc40f03cb23d24227b028a0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAD29	10516 bytes

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