PDF malware analysis — malicious · f0e32aa51a55fc26

MALICIOUS

PDF

59.9 KB Created: 2020-08-30 22:06:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 704de352df281460ca700968fe6027b4 SHA-1: 742f43fcbcb053bf361edf0102a4a9717a91c0d3 SHA-256: f0e32aa51a55fc267293353e08bb4fc5b8b9dabd22c439aef4ddae3661382dd9

128 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains multiple heuristics indicating malicious intent, including a link to a known malicious redirector and a large number of external links, suggesting a link farm. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wix?keyword=bartender+books+recipes', which is flagged as malicious. The presence of urgency lures further supports the malicious intent of driving user interaction with the malicious link.

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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.cc/wix?keyword=bartender+books+recipes
- https://static.usrfiles.com/ugd/b4a829_7ff94833248b477eace7da719a9dbcf8.pdf
- https://static.usrfiles.com/ugd/e33828_ccb72cd9f941404786798703922cd547.pdf
- https://static.usrfiles.com/ugd/b8c837_e6996b0aeb414ba187fda129a4b369d5.pdf
- https://static.usrfiles.com/ugd/e3834b_073951947f9e4c78a48dbfda5c6a9c71.pdf
- https://static.usrfiles.com/ugd/b8c837_2dec5066c5b74e60b54c8eea77a3ec30.pdf
- https://static.usrfiles.com/ugd/b8c837_24aea0c63e874923a51c64b47926ef78.pdf
- https://static.usrfiles.com/ugd/b8c837_013be2fdc21c4e9b97afb638a87075e5.pdf
- https://static.usrfiles.com/ugd/21e6f2_687561ba519147a293cdfa1d149969c1.pdf
- https://static.usrfiles.com/ugd/37321e_974363a032cc4cf0a15e233107d76b58.pdf
- https://static.usrfiles.com/ugd/b8c837_6af7c90fc7c6482182a8da4ad1b15588.pdf
- https://cdn.shopify.com/s/files/1/0438/3096/8480/files/gross_anatomy_of_digestive_system.pdf
- https://cdn.shopify.com/s/files/1/0437/9069/6597/files/musex.pdf
- https://cdn.shopify.com/s/files/1/0430/1760/1181/files/bass_guitar_for_dummies_free.pdf
- https://cdn.shopify.com/s/files/1/0430/9676/8673/files/xazumixekuvufevep.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_off0000ac9e.bin` `1ab1f2246cdb3e20051cee8bc955e0978947feccfb832cc9aa73608ed961d6f4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAC9E	5288 bytes
`font_01_sfnt_off0000be9e.bin` `9dbe238ea86ca934259352da154048d1d7cd5dd60818bb4fe0b7ba6fa1e088fd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBE9E	10588 bytes

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