Malicious PDF — malware analysis report

Static analysis result for SHA-256 4726bf095272a7b6…

MALICIOUS

PDF

65.4 KB Created: 2020-08-04 20:14:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ec4dc859eb1b6882c53f4f5a5ae44a3 SHA-1: 7221ba26e1abb7d736c788e95e3393c5554b9745 SHA-256: 4726bf095272a7b63f7de51f6453c4c0b471c58efbc72a339fbb602dff12efb7
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to a 'Bajaj ceiling fan price list pdf' and the malicious URL, suggesting a phishing lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, likely for SEO manipulation or to host further malicious content.

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=bajaj+ceiling+fan+price+list+pdf
    • http://ropasomu.customcellardesign.com/uploads/1/3/0/8/130874232/287fc1578207.pdf
    • http://files.sketchvideoz.com/uploads/1/3/0/7/130776152/9019346.pdf
    • http://files.tvsra.org/uploads/1/3/2/7/132712163/baverivatomib-kejedirib.pdf
    • http://guwileza.pfcmooremess.com/uploads/1/3/1/0/131070718/fagivakibero-wixojegepan-kowepizaramit-pariga.pdf
    • http://files.heartsinhandschool.com/uploads/1/3/1/3/131380397/c9c4f409.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38743570217.pdf
    • https://cdn.shopify.com/s/files/1/0435/7092/1635/files/83063221514.pdf
    • https://cdn.shopify.com/s/files/1/0436/9213/0458/files/tutuzeserolepevosubutinif.pdf
    • https://cdn.shopify.com/s/files/1/0440/1538/6789/files/royal_500dx_cash_register_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/1228/2789/files/64390995073.pdf
    • https://cdn.shopify.com/s/files/1/0432/7122/5502/files/mafesuzevun.pdf
    • https://cdn.shopify.com/s/files/1/0433/0009/4112/files/dujexiworefabelinulaz.pdf
    • https://cdn.shopify.com/s/files/1/0434/4555/1271/files/volusozunerevegovuxexufu.pdf
    • https://cdn.shopify.com/s/files/1/0429/4151/3895/files/marx_train_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/3606/5438/files/buxeketusom.pdf
    • https://cdn.shopify.com/s/files/1/0430/9460/5975/files/26500481729.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_off0000b54c.bin
6665d008cac838c670a1fb4c95e022427fe60ba03f226dadd9f51a84d9edd9c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB54C 5448 bytes
font_01_sfnt_off0000c7ee.bin
d862fec14bf8dbf0bf2165efd22d481c140148519fec2392a25bc2ccd3104944		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC7EE 15840 bytes

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