PDF malware analysis — malicious · 8c0035b00aa6bcb3

MALICIOUS

PDF

47.8 KB Created: 2020-07-31 14:10:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 44d2e4cfd5472de48c2854384b6ca15c SHA-1: 186d61913060b9efbf0f6e1de5896ad7f3395fd8 SHA-256: 8c0035b00aa6bcb352205d1f771d6e665a6c1dfd3ec99ea226ea2e2f3bfbc060

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links that redirect to a malicious domain (ttraff.com), identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many hosted on cdn.shopify.com, suggesting an attempt to manipulate search engine results or distribute malicious content. The document body, though heavily obfuscated, contains text related to synonyms and antonyms, likely serving as a lure.

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=synonyme+und+antonyme+deutsch+pdf
- http://files.gdv-epckirlian.com/uploads/1/3/1/8/131872281/fekowuxepuvagezifo.pdf
- http://files.paulkruegermusic.com/uploads/1/3/0/7/130775537/vititu_gepibug_wajulilen_vediti.pdf
- http://files.kootsie.com/uploads/1/3/2/6/132696304/7616653.pdf
- https://cdn.shopify.com/s/files/1/0429/0910/6335/files/gafiponejoxenelakug.pdf
- https://cdn.shopify.com/s/files/1/0427/3831/9527/files/foxuwuxekosozulorol.pdf
- https://cdn.shopify.com/s/files/1/0437/9633/2705/files/sulivezigigurumiseziw.pdf
- https://cdn.shopify.com/s/files/1/0428/8793/8211/files/89390249054.pdf
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/11654446407.pdf
- https://cdn.shopify.com/s/files/1/0433/5285/0586/files/30189229304.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0135/files/noluvekex.pdf
- https://cdn.shopify.com/s/files/1/0434/3909/5973/files/zubatoradofa.pdf
- https://cdn.shopify.com/s/files/1/0430/3850/7169/files/70918238044.pdf
- https://cdn.shopify.com/s/files/1/0429/7926/2615/files/zobedimune.pdf
- https://cdn.shopify.com/s/files/1/0433/1444/6489/files/48928951639.pdf
- https://cdn.shopify.com/s/files/1/0436/9462/0837/files/36351800392.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/
- https://cdn.shopify.com/s/files/1/0427

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006696.bin` `6b149c315ec1c413caf938de8b4082b6cd4b17da56374b46dbccdfd2c28f06e9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6696	5304 bytes
`font_01_sfnt_off00007871.bin` `6fc68976b07f2f74e78c49ac7a14a0ba234b4b54180f88a753a211fab99e5824`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7871	10984 bytes
`font_02_sfnt_off00009cab.bin` `cf8f50b7fe3e18837235b0fa435cdcf20701cf5086b9b5bec02d4afca0c84734`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9CAB	16180 bytes

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