PDF malware analysis — malicious · 3dc907c824978031

MALICIOUS

PDF

46.1 KB Created: 2020-08-04 04:58:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c46b409904723bdc759a2b882a6c091e SHA-1: 55455e562239e1200e8a33cb8869a66eff382e0d SHA-256: 3dc907c824978031527542bba9e4dcf541deb95034e37c467bc4ee7f1f24da36

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=aboriginal+map+of+western+australia+pdf, which is designed to redirect users. The document body, though heavily obfuscated, contains this URL, suggesting a social engineering lure. No scripts were extracted, but the PDF structure and link farm indicate a delivery mechanism for further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=aboriginal+map+of+western+australia+pdf
- http://dowivolu.tampabaygospelawards.com/uploads/1/3/1/4/131437515/nakofes.pdf
- http://files.hanaleispirits.com/uploads/1/3/0/7/130775701/vopokepek.pdf
- http://files.detourtowonderland.com/uploads/1/3/1/0/131071243/6583005.pdf
- http://files.willowickfootball.org/uploads/1/3/0/8/130814492/sijibuseselew_jejanu_bisuginefovetaw.pdf
- https://cdn.shopify.com/s/files/1/0428/8570/9987/files/zidabuvakasejif.pdf
- https://cdn.shopify.com/s/files/1/0429/7339/7145/files/95264590749.pdf
- https://cdn.shopify.com/s/files/1/0437/6559/6321/files/42892581118.pdf
- https://cdn.shopify.com/s/files/1/0431/4087/4408/files/25382468146.pdf
- https://cdn.shopify.com/s/files/1/0429/0058/6649/files/87535648080.pdf
- https://cdn.shopify.com/s/files/1/0430/9703/0817/files/81426188173.pdf
- https://cdn.shopify.com/s/files/1/0430/4325/8522/files/68692906617.pdf
- https://cdn.shopify.com/s/files/1/0437/6405/6225/files/79664977215.pdf
- https://cdn.shopify.com/s/files/1/0436/0306/7038/files/human_biology_mader_12th_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/0742/7238/files/wigorafubodekelipuxokinok.pdf
- https://cdn.shopify.com/s/files/1/0439/0505/6920/files/78907660058.pdf
- https://cdn.shopify.com/s/files/1/0440/6912/6309/files/49991876456.pdf
- https://cdn.shopify.com/s/files/1/0430/0311/7721/files/5880132886.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_off0000756e.bin` `4637ee9a3be34b3279ac1ee8efbb57bd12efef1bd47e4faa35968989d20ab1df`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x756E	5580 bytes
`font_01_sfnt_off0000885e.bin` `65490b7bed40fd1118ea23b0c3419fc3db7c0362b677c6a84ce1bea5a1bbac7d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x885E	10116 bytes

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