Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bdb027cd63c7bfe…

MALICIOUS

PDF

45.4 KB Created: 2020-07-30 20:47:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 857bc579e59c6db4a14096fe827672d9 SHA-1: cd43cce4fc722384e2e59138bd1fe63efac208ff SHA-256: 2bdb027cd63c7bfece736345edbac6e0ba6ee22699def332a3b2bbaf8de4e503
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be related to a technical document title, likely a lure. The primary heuristic indicates the PDF links to malicious redirector infrastructure, suggesting a phishing or malware distribution attempt.

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=principle+and+application+of+adsorption+chromatography+pdf
    • http://files.thesarcasticonions.com/uploads/1/3/1/6/131606069/likebodunidawedejuv.pdf
    • http://files.cosmorotica.com/uploads/1/3/0/8/130814208/1180815.pdf
    • http://files.gokids-youthsports.com/uploads/1/3/2/6/132682106/1879171.pdf
    • http://files.marketing-3punkt0.ch/uploads/1/3/0/7/130738741/wizut_dasomijijijufo.pdf
    • http://files.canefruit.net/uploads/1/3/1/0/131070506/fabijule-surufinaveto-xodovanapetudi.pdf
    • http://files.marketing-3punk
    • https://cdn.shopify.com/s/files/1/0436/9845/4682/files/88176805064.pdf
    • https://cdn.shopify.com/s/files/1/0429/7680/5018/files/23168292829.pdf
    • https://cdn.shopify.com/s/files/1/0432/9819/3566/files/24204709819.pdf
    • https://cdn.shopify.com/s/files/1/0430/3313/3209/files/98220722931.pdf
    • https://cdn.shopify.com/s/files/1/0435/9330/2178/files/37098042584.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15125842299.pdf
    • https://cdn.shopify.com/s/files/1/0427/6797/4556/files/pinodevo.pdf
    • https://cdn.shopify.com/s/files/1/0427/6387/8566/files/51385596811.pdf
    • https://cdn.shopify.com/s/files/1/0434/7628/7648/files/37140629427.pdf
    • https://cdn.shopify.com/s/files/1/0429/5216/3482/files/javamuxaluxanemevarajex.pdf
    • https://cdn.shopify.com/s/files/1/0430/8759/3632/files/38846658240.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/waxigulazatep.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_off00007373.bin
d0fd6289cd1bb66ab852e7e56a2d2c4b4c9ccfbca9d06187967e5c8d3d96353b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7373 5460 bytes
font_01_sfnt_off000085cf.bin
4bea9a4cd2373175fcc886b12afa1ca6e223824709ffabaa716cb38bd58f90b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85CF 9996 bytes

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