Malicious PDF — malware analysis report

Static analysis result for SHA-256 c513217cbfcb56c9…

MALICIOUS

PDF

47.7 KB Created: 2020-08-31 21:06:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60aae4ebbe47df616c5641211b25483e SHA-1: 145b6890d600e063321996ccb7a5ed3de3929429 SHA-256: c513217cbfcb56c906ed652e8433c967775fc6c7a6419d1768b39273aaa5b2a1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. The document body, though partially corrupted, contains the same song title and the malicious URL, suggesting a lure to a phishing or malware distribution site. 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=bam+bam+bol+raha+kashi+song
    • https://cdn.shopify.com/s/files/1/0427/9438/5575/files/matuzibiwesi.pdf
    • https://cdn.shopify.com/s/files/1/0432/8026/9462/files/59663248824.pdf
    • https://cdn.shopify.com/s/files/1/0434/4945/0661/files/astm_a106_15.pdf
    • https://cdn.shopify.com/s/files/1/0433/4161/1159/files/13963343513.pdf
    • https://cdn.shopify.com/s/files/1/0437/1116/8663/files/gagiwinifapusinapa.pdf
    • https://static.usrfiles.com/ugd/b8c837_172efa5ee21f4ac49c4e42bfffa82872.pdf
    • https://static.usrfiles.com/ugd/cc03df_faa7200a7acc456aa13b6ab1b252be3b.pdf
    • https://static.usrfiles.com/ugd/97368a_880ff125774d4e1cbce86914d57ffcc6.pdf
    • https://static.usrfiles.com/ugd/b8c837_8a1051f93a97403fbf82fefb01b3a263.pdf
    • https://static.usrfiles.com/ugd/5926b4_f5de70415c4448b3a7b03e73af995a38.pdf
    • https://static.usrfiles.com/ugd/2e79a6_a1adac08f6eb4ec185e455191788b6a3.pdf
    • https://cdn.shopify.com/s/files/1/0427/4218/6150/files/20863720322.pdf
    • https://cdn.shopify.com/s/files/1/0431/0725/4421/files/71100187050.pdf
    • https://cdn.shopify.com/s/files/1/0431/3566/4284/files/jepumuvot.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.

FilenameKindSourceSize
font_00_sfnt_off00005e6d.bin
ef2a6d4738f5948085ce432c8f111eea27f2200d30a4fda0c0dfcb6f455328c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E6D 5352 bytes
font_01_sfnt_off00007071.bin
e720c62ca5002e8ec7d657de9a852e8993ead3f08ffd79982bc6a55459e550b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7071 13544 bytes
font_02_sfnt_off00009b54.bin
f1f637497dfb21f1ade996d8e1a7271749d4096e4c4dc92f65a74cc203c60062		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B54 6564 bytes

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