Malicious PDF — malware analysis report

Static analysis result for SHA-256 582007b3c217949f…

MALICIOUS

PDF

65.4 KB Created: 2020-08-16 15:21:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 649fab15571c67004ae9d76dc8cf2d42 SHA-1: f839a24da80eb9579a9d5dede371eb3005ac0831 SHA-256: 582007b3c217949f4dd01e5629bf4963e736c9e72ae705448dd816131e50a59e
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm heuristic, indicating a large number of outbound links, many hosted on Shopify. The document body contains the same malicious URL and a benign Shopify URL, suggesting a lure to a malicious site under the guise of providing content. 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=baaghi+2+picture+song
    • http://files.creeksideband.com/uploads/1/3/1/4/131406149/konositavorulil.pdf
    • http://files.joyinteriordesigns.com/uploads/1/3/0/7/130775446/8228983.pdf
    • http://files.alaskabg.org/uploads/1/3/1/4/131437385/visudal-gupuwetuwujo.pdf
    • http://files.railyardapothecary.com/uploads/1/3/1/6/131606368/0f43be54bc0520e.pdf
    • https://cdn.shopify.com/s/files/1/0435/5037/6100/files/kexisanog.pdf
    • https://cdn.shopify.com/s/files/1/0436/0595/0626/files/78053422896.pdf
    • https://cdn.shopify.com/s/files/1/0433/4492/0734/files/demographic_dividend_in_bangladesh.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jezimix.pdf
    • https://cdn.shopify.com/s/files/1/0428/3141/3404/files/1718001353.pdf
    • https://cdn.shopify.com/s/files/1/0430/1701/1353/files/69433921109.pdf
    • https://cdn.shopify.com/s/files/1/0436/8701/8649/files/20417915480.pdf
    • https://cdn.shopify.com/s/files/1/0431/7282/3202/files/22193794960.pdf
    • https://cdn.shopify.com/s/files/1/0433/7015/2088/files/sibolenolimomelikitob.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008828.bin
412b41f163bd43b593cc2eb4cf19c6ad5cb8b4d6409f40e7c0b56b2f0c8f1aae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8828 5224 bytes
font_01_sfnt_off000099e7.bin
8a852b0ef634c8ca6430f5749cc8fff035e905279f432e43b58d724915326f4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99E7 10676 bytes
font_02_sfnt_off0000beb5.bin
6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBEB5 16164 bytes
font_03_sfnt_off0000d3ca.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD3CA 4324 bytes
font_04_sfnt_off0000e1cb.bin
574da72ce99d3ef2112c3a936ef518d6619330af5d466517ab52d19b89382c33		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE1CB 6232 bytes

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