PDF malware analysis — malicious · e214947591eafe69

MALICIOUS

PDF

112.1 KB Created: 2020-08-29 06:55:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8d21478c0d970b900578bd4a9667ea71 SHA-1: 2e7e8ec89d22e6be683e5789c389389728c4c67e SHA-256: e214947591eafe696e638694de122afd1442e3008c0c11d064b3beca134f7a8e

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a malicious redirector link and a large number of external PDF links, indicative of a link farm. The document body, though heavily obfuscated, contains text related to a car and a URL that aligns with the advance-fee scam lure identified by heuristics. The primary malicious indicator is the redirector URL, which is designed to lead users to further malicious content.

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.
Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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.link/wix?keyword=carro+austin+mini+cooper
- https://static.usrfiles.com/ugd/b8c837_9c39f011f4a049c9b1d73c99b5015e88.pdf
- https://static.usrfiles.com/ugd/b8c837_1d9bee09b579481d9e3146f0052d6d1c.pdf
- https://static.usrfiles.com/ugd/b8c837_3d8d25558c324058b98cf572a12700a8.pdf
- https://cdn.shopify.com/s/files/1/0434/9332/7008/files/54041567377.pdf
- https://cdn.shopify.com/s/files/1/0437/5350/4917/files/nopuxorawimi.pdf
- https://cdn.shopify.com/s/files/1/0429/8961/7311/files/76808643445.pdf
- https://cdn.shopify.com/s/files/1/0428/2833/3212/files/nazud.pdf
- https://cdn.shopify.com/s/files/1/0429/8814/2743/files/45902914488.pdf
- https://cdn.shopify.com/s/files/1/0433/4161/1159/files/tinkle_digest_stories.pdf
- https://cdn.shopify.com/s/files/1/0432/5546/4104/files/12958107868.pdf
- https://cdn.shopify.com/s/files/1/0437/1179/1253/files/pekuwuduzusati.pdf
- https://static.usrfiles.com/ugd/b8c837_c7cd55585e554314b7a15843aa122d0f.pdf
- https://static.usrfiles.com/ugd/b8c837_6d5e53d47c204919a03a7af38bd558b2.pdf
- https://static.usrfiles.com/ugd/b8c837_c1b71bd8dc2341089eb6003c198f5a97.pdf
- https://static.usrfiles.com/ugd/b8c837_e6a7acd930df4189b0463412e8d27f4b.pdf
- https://static.usrfiles.com/ugd/b8c837_8e771c18a6e3438b96fec88c96e6e649.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_off00017081.bin` `f23097a822a1e58d3a9e524ea63796b09cbd577cc331b1b744851c90c8fe81b5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x17081	4952 bytes
`font_01_sfnt_off00018140.bin` `287f7bd5b4264877d343807739c4878978a6dbfabfdd3b6e1666bc09941fe0bc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x18140	15420 bytes

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