Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f2eee0b3dadc0d8…

MALICIOUS

PDF

39.5 KB Created: 2020-08-31 22:53:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5eacd95282b0ec9f90a7e2496083c2c3 SHA-1: 851c164daf569aad73891a70519fb9643241d5b2 SHA-256: 7f2eee0b3dadc0d8cec1b84e2e549cb0237a2d5cb9e6809170158ba56e4370e1
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text related to statutory declarations and includes the malicious URL. This suggests a phishing attempt to redirect users to malicious content under the guise of providing a form.

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=who+can+witness+nsw+statutory+declaration+form
    • https://cdn.shopify.com/s/files/1/0431/3926/8769/files/home_finder_s_guide.pdf
    • https://cdn.shopify.com/s/files/1/0430/1901/0201/files/64984864134.pdf
    • https://cdn.shopify.com/s/files/1/0434/5957/5958/files/83223173190.pdf
    • https://cdn.shopify.com/s/files/1/0433/9335/1843/files/calendario_feriados_2020_argentina.pdf
    • https://cdn.shopify.com/s/files/1/0433/2358/8773/files/fejawifuxalon.pdf
    • https://cdn.shopify.com/s/files/1/0427/7728/0671/files/wuzerononowesazive.pdf
    • https://cdn.shopify.com/s/files/1/0435/5611/0487/files/ashirvad_borewell_pipes_price_list_2020.pdf
    • https://static.usrfiles.com/ugd/b11f6d_177717dc90b542bf9cc1ad7c33a5e0ba.pdf
    • https://static.usrfiles.com/ugd/b8c837_e05996274a114557ba240fe8438ab133.pdf
    • https://static.usrfiles.com/ugd/b8bbd7_b3276632fb2b4971b507ddfde41d6b2d.pdf
    • https://static.usrfiles.com/ugd/61f964_e1cf100b3468403ba7671d8e9046f7f2.pdf
    • https://static.usrfiles.com/ugd/269bb8_fed1b92b081846269b86563bbed0e919.pdf
    • https://static.usrfiles.com/ugd/b8c837_5bac9085c26648988671f031fb50c5b9.pdf
    • https://static.usrfiles.com/ugd/b8c837_19e7d8f9dffa49db80747831204b553c.pdf
    • https://static.usrfiles.com/ugd/b910ae_4cc5ffb7d71d4e22a5650b8b4493bebb.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_off00005b7a.bin
3fbadb1323047f220bebf692ddd4580ce644355897a6eff7d4a0c03cd972c395		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B7A 5468 bytes
font_01_sfnt_off00006e07.bin
0b831c44c86640beab89b60431eaacd1810115460c37e46d585b367c1e406657		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E07 10296 bytes

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