PDF malware analysis — malicious · 97b509907e185bb7

MALICIOUS

PDF

38.2 KB Created: 2020-08-10 13:10:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5dc0f9dbcbdb6d4fe2844d5e6418201c SHA-1: 4aaacea2af394e195f84871000d326a5e61081d5 SHA-256: 97b509907e185bb7f1dc803d64fcd8f940901a88ee2855d327904d751d56b808

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is likely used to redirect users to a malicious site for phishing or malware delivery. The document body, though heavily obfuscated, contains references to the redirector URL and numerous other PDF links, suggesting a link farm intended to obscure the final malicious destination. No scripts were extracted from this sample.

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=bescherelle+conjugaison+espagnol+pdf
- http://files.marinashay.com/uploads/1/3/1/4/131406518/440cbd99bb939f.pdf
- http://pazezu.liturgicalartsconference.com/uploads/1/3/1/4/131407469/146a91d56484.pdf
- http://files.sweetcelebrationsllc.com/uploads/1/3/1/3/131380063/1772054.pdf
- http://tepod.tctinternational.net/uploads/1/3/0/7/130775997/3256514.pdf
- http://files.tylermany.com/uploads/1/3/0/8/130814902/dapojoborujewomega.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/12747430773.pdf
- https://cdn.shopify.com/s/files/1/0434/9617/7816/files/aula_internacional_2.pdf
- https://cdn.shopify.com/s/files/1/0430/1602/8309/files/warizi.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2689/files/ansys_workbench_19.pdf
- https://cdn.shopify.com/s/files/1/0437/2535/7206/files/54724757906.pdf
- https://cdn.shopify.com/s/files/1/0429/4829/6857/files/14006006212.pdf
- https://cdn.shopify.com/s/files/1/0437/9954/3970/files/xejekigotofevu.pdf
- https://cdn.shopify.com/s/files/1/0437/2883/0625/files/petezisulawizide.pdf
- https://cdn.shopify.com/s/files/1/0433/9521/9623/files/81809930662.pdf
- https://cdn.shopify.com/s/files/1/0436/4356/8278/files/73813453408.pdf
- https://cdn.shopify.com/s/files/1/0437/9135/1969/files/ps3_emulator_for_pc.pdf
- https://cdn.shopify.com/s/files/1/0432/6519/6197/files/76168173349.pdf
- https://cdn.shopify.com/s/files/1/0429/3351/8489/files/compress_scanned_file_size_online.pdf
- https://cdn.shopify.com/s/files/1/0429/8027/8426/files/lewide.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_off000053ef.bin` `c6dc12a576cda511d87840341da791d4ea23912b5699a340c6a8f5e56d122a03`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x53EF	5540 bytes
`font_01_sfnt_off000066bd.bin` `a0ae87ff3e9c40dc89afeda7830533e5755bdac8dbed5b5ff9c7ca2aac5cd3ba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66BD	10676 bytes

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