PDF malware analysis — malicious · ef7d29d5cde92251

MALICIOUS

PDF

45.3 KB Created: 2020-08-21 10:37:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 830af9cb28d6e6aa9559535cd24184df SHA-1: f594eb9544eedc6d7124c90cbdc3741e36011cba SHA-256: ef7d29d5cde92251cc09e5395e7207648375028287a6bc51041114fc42b0d83c

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised with a keyword related to 'Naval games for android'. The document body also contains this keyword and the malicious URL, suggesting a social engineering lure. The presence of a large number of external PDF links further indicates a link farm or redirection strategy. No scripts were extracted, but the primary attack vector appears to be directing the user to malicious infrastructure.

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.cc/pify?keyword=naval+games+for+android
- http://files.aztrinitymusicacademy.com/uploads/1/3/0/8/130814516/liludutixi.pdf
- http://dilis.mycusina.com/uploads/1/3/0/9/130969431/52ca88.pdf
- http://files.nourishabley.com/uploads/1/3/0/7/130739789/kajumotetase.pdf
- http://files.snohomishminigolf.com/uploads/1/3/0/7/130775837/1857974.pdf
- https://cdn.shopify.com/s/files/1/0431/7980/2782/files/65280683001.pdf
- https://cdn.shopify.com/s/files/1/0429/6074/8695/files/gambar_animasi_lucu_kartun.pdf
- https://cdn.shopify.com/s/files/1/0430/5502/2234/files/notas_de_acordeon_de_teclas.pdf
- https://cdn.shopify.com/s/files/1/0439/2960/0155/files/pose_book.pdf
- https://cdn.shopify.com/s/files/1/0430/9660/4825/files/johnny_rebel_some_niggers_never_die.pdf
- https://cdn.shopify.com/s/files/1/0440/2741/2645/files/zesazidirifawijife.pdf
- https://cdn.shopify.com/s/files/1/0432/3475/4728/files/91648443110.pdf
- https://cdn.shopify.com/s/files/1/0433/2558/7610/files/ap_scert_text_books_free_download.pdf
- https://cdn.shopify.com/s/files/1/0429/4030/1478/files/60048066938.pdf
- https://cdn.shopify.com/s/files/1/0432/3675/3570/files/97784100680.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/revorikeludebo.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006690.bin` `705c2f891c4fcdfb918f4fd554d156c9fd5b8a0753a550e3009dddab0fa8e363`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6690	4964 bytes
`font_01_sfnt_off00007760.bin` `1e309860a1e8f6b80f822d97cbb805e179372d3874cdbe458331b89f8d9a70a8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7760	10260 bytes
`font_02_sfnt_off00009a88.bin` `7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9A88	4324 bytes

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