PDF malware analysis — malicious · adf6b5f53c699eee

MALICIOUS

PDF

144.5 KB Created: 2020-08-04 22:07:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: accc899b0a5eedc4244ca559ad8b07ca SHA-1: 46271551d10a1682135d65cbb6dbd8d90f38d932 SHA-256: adf6b5f53c699eee5a02c540c1235c27247da1f4ec9d4770436d5d1985967db2

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.003 Windows Command Shell

The PDF contains multiple embedded links, with one identified as a malicious redirector pointing to 'ttraff.com'. The document also contains a heuristic indicating a 'Clipboard command execution lure', suggesting the user is prompted to copy and paste content into a shell. This combination indicates a social engineering attempt to trick the user into interacting with malicious links or commands.

Heuristics 4

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.
Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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=mechanism+of+viral+oncogenesis+pdf
- http://files.barryswoodworks.com/uploads/1/3/1/6/131637099/tuwapolumegekewimaju.pdf
- http://files.tcdfw.org/uploads/1/3/2/6/132695438/logasalexakamudi.pdf
- http://files.8870adventures.com/uploads/1/3/1/1/131163691/7864289.pdf
- https://cdn.shopify.com/s/files/1/0435/8776/4387/files/head_first_design_patterns_c_pdf_download.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57790570823.pdf
- https://cdn.shopify.com/s/files/1/0430/9755/5093/files/nba_2k14_cheat_ps4.pdf
- https://cdn.shopify.com/s/files/1/0431/4369/2445/files/38461063679.pdf
- https://cdn.shopify.com/s/files/1/0431/7318/3643/files/wazata.pdf
- https://cdn.shopify.com/s/files/1/0435/8907/5102/files/lokevedopezezerebeto.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/kutelaturiguzar.pdf
- https://cdn.shopify.com/s/files/1/0431/5817/5901/files/nibasoviz.pdf
- https://cdn.shopify.com/s/files/1/0433/9784/1063/files/changeling_the_dreaming_20th.pdf
- https://cdn.shopify.com/s/files/1/0431/8222/7617/files/kurilatukufonidizo.pdf
- https://cdn.shopify.com/s/files/1/0439/6836/4702/files/12331206141.pdf
- https://cdn.shopify.com/s/files/1/0433/9056/6556/files/dufeponujonoxode.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9115/files/35381707727.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_off0001fd01.bin` `ae66c7d96caef30c760f8ee7eab45cf02082e324d29d04701b4975b24b7c771e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1FD01	5636 bytes
`font_01_sfnt_off0002101a.bin` `e292a38b38a089dafc281ac3baa92b50535e881ee0ebd1a82d487634d903a411`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2101A	10580 bytes

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