PDF malware analysis — malicious · 902066280b8f7e78

MALICIOUS

PDF

54.2 KB Created: 2020-08-17 02:47:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4f4aa00a5c74b0817c04c227993a9197 SHA-1: b8c50994088a071ba6e201467961a06ce4c2b8c2 SHA-256: 902066280b8f7e787982a91ac21f471b57ce61fe0c0921cfb5839b3e3683ec3c

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=desmume+emulator++unblocked'. This indicates the document's primary purpose is to redirect the user to malicious infrastructure. Additionally, a PDF link farm heuristic was triggered, suggesting the document is designed to host numerous external links. The document body, though heavily obfuscated, contains text related to 'Desmume emulator unblocked', aligning with the lure used in the malicious URL.

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=desmume+emulator++unblocked
- http://files.mindscapegallerystl.com/uploads/1/3/2/6/132683111/1329c.pdf
- http://files.loveandmercyfdc.com/uploads/1/3/1/8/131857071/tazowirujuvimi.pdf
- https://cdn.shopify.com/s/files/1/0435/3143/6186/files/sidewall_belt_conveyor_design.pdf
- https://cdn.shopify.com/s/files/1/0437/5219/4202/files/bulajidiruwetukuzowesik.pdf
- https://cdn.shopify.com/s/files/1/0432/5398/9534/files/24177028538.pdf
- https://cdn.shopify.com/s/files/1/0436/0437/7763/files/najez.pdf
- https://cdn.shopify.com/s/files/1/0434/7278/1478/files/90296316110.pdf
- https://cdn.shopify.com/s/files/1/0429/9119/0167/files/nalco_7330_msds.pdf
- https://cdn.shopify.com/s/files/1/0433/7795/0870/files/gubixitaf.pdf
- https://cdn.shopify.com/s/files/1/0435/5863/3631/files/ninadatod.pdf
- https://cdn.shopify.com/s/files/1/0431/6604/0224/files/el_chac_mool.pdf
- https://cdn.shopify.com/s/files/1/0432/7142/2102/files/rujidubudovoxita.pdf
- https://cdn.shopify.com/s/files/1/0431/0089/7440/files/worif.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005cc3.bin` `028043bc59f37b83c540cfdb99ef662edada1f5bf0ae108aaf5586bb169e87c7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CC3	13496 bytes
`font_01_sfnt_off00008849.bin` `f77f37296ade14be27f6cd926a85f7e64534efaa410e32af7841f88df60e173c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8849	5120 bytes
`font_02_sfnt_off00009996.bin` `58c37cf2846fe32d3bf64e9c5b4b9ed94e5b8aaec3ec4d5678e605afb490ddc5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9996	10532 bytes
`font_03_sfnt_off0000bdae.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBDAE	4324 bytes

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