Malicious PDF — malware analysis report

Static analysis result for SHA-256 920e58e5dbd404f3…

MALICIOUS

PDF

34.4 KB Created: 2020-09-03 05:20:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 68a4646ac71a969fbfb84d5111539706 SHA-1: b2694181f861c20048d96906cdaa6305d6d6a28e SHA-256: 920e58e5dbd404f35ec46cda471a3b8d0d638f93b97325093aab96235b41f430
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of the primary links directs to a known malicious redirector at 'ttraff.cc'. This suggests a social engineering attack aimed at directing users to malicious content through a deceptive link farm.

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/wix?keyword=ari+lasso+perbedaan++lagu
    • https://cdn.shopify.com/s/files/1/0434/6845/6102/files/tovufekotatuvekamerom.pdf
    • https://cdn.shopify.com/s/files/1/0460/1063/0311/files/charlie_chaplin_tamil_video_song_hd.pdf
    • https://cdn.shopify.com/s/files/1/0430/5007/4269/files/56417653735.pdf
    • https://cdn.shopify.com/s/files/1/0427/8091/7926/files/zapebegunogaduwiroso.pdf
    • https://cdn.shopify.com/s/files/1/0431/6450/0122/files/dekuwejofodezapujiwomid.pdf
    • https://cdn.shopify.com/s/files/1/0429/5580/0732/files/54573016991.pdf
    • https://static.usrfiles.com/ugd/913720_30153656e6df42b1a159ff5e59b45283.pdf
    • https://static.usrfiles.com/ugd/2ddd39_9f7bb9af909b41709e0d67a873595b5e.pdf
    • https://static.usrfiles.com/ugd/32acb1_bf9b794c7c0b46c890b23669fc334234.pdf
    • https://static.usrfiles.com/ugd/0cd3a8_59ba8ad4a5834d6eafcf3a4775eaabb6.pdf
    • https://static.usrfiles.com/ugd/d17951_c5cf1dae060143669619ca0ed3ef65d2.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zawitowawipujeko.pdf
    • https://cdn.shopify.com/s/files/1/0428/2525/3023/files/el1358g_51w_motherboard.pdf
    • https://cdn.shopify.com/s/files/1/0435/8239/0440/files/vibozunuwetunebibases.pdf
    • https://cdn.shopify.com/s/files/1/0431/3802/3581/files/food_logo_quiz_level_2_answers.pdf
    • https://cdn.shopify.com/s/files/1/0430/9578/5629/files/kanajez.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.

FilenameKindSourceSize
font_00_sfnt_off00004974.bin
55c41a16b75fb666345caeebfef4c9356132f7ccf07bf54f527ffd24acdde4be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4974 5256 bytes
font_01_sfnt_off00005b58.bin
c396dd176bde6dbbafc7b9eb575d68ef8db3272e80697d0817c5b02295e7f126		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B58 9900 bytes

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