Malicious PDF — malware analysis report

Static analysis result for SHA-256 f906453a9a9fb434…

MALICIOUS

PDF

54.1 KB Created: 2020-08-07 00:45:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c0c640572e74bf00cca54972fdca2ed SHA-1: 3969f4a5d378f7f32835e21bb863ad99395f926f SHA-256: f906453a9a9fb434e32c4b1e05a62a71b30fcd2c9c80ec3b36ad3da96d0cbbb2
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including one identified as a malicious redirector. The document body text, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=the+attention+economy+pdf', which is a known malicious redirector. This suggests the document's primary purpose is to lure users into clicking malicious links, likely leading to further compromise.

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=the+attention+economy+pdf
    • http://files.danpetersundland.com/uploads/1/3/1/8/131856827/lozimopibig.pdf
    • http://files.daviestreeservicesltd.co.uk/uploads/1/3/0/8/130814280/kamipabotu.pdf
    • http://files.pemichoral.org/uploads/1/3/1/4/131407767/ruxevenasepik.pdf
    • https://cdn.shopify.com/s/files/1/0430/7435/5351/files/nezat.pdf
    • https://cdn.shopify.com/s/files/1/0429/7415/0809/files/biography_auguste_comte.pdf
    • https://cdn.shopify.com/s/files/1/0433/4875/4600/files/oh_kill_em_mp3.pdf
    • https://cdn.shopify.com/s/files/1/0429/8794/6143/files/our_casuarina_tree_poem.pdf
    • https://cdn.shopify.com/s/files/1/0427/5588/3175/files/31535466078.pdf
    • https://cdn.shopify.com/s/files/1/0430/4112/8601/files/antifungal_drugs_in_ophthalmology.pdf
    • https://cdn.shopify.com/s/files/1/0429/6382/8895/files/metodemo.pdf
    • https://cdn.shopify.com/s/files/1/0430/0665/6666/files/dual_booting_android.pdf
    • https://cdn.shopify.com/s/files/1/0430/3385/4103/files/21280383683.pdf
    • https://cdn.shopify.com/s/files/1/0427/5005/0460/files/98773047690.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wotedosepano.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_off000095ff.bin
1970299dee4f427b7905f2ecc9c4139711c9dbf33732e45e8df4c8ad1fbca36c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95FF 5140 bytes
font_01_sfnt_off0000a768.bin
47a8c6fbee0c0d3b0f7b48575441ecb0448f297528e61493434bccc6d88fdbde		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA768 10704 bytes

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