Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6ae5aa268b03114…

MALICIOUS

PDF

33.7 KB Created: 2020-08-03 16:55:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 489718edc066e33bfeee01e696bb5b21 SHA-1: 6a50db6bd3e23c9b68c7369f9bf7af337a5f81fb SHA-256: f6ae5aa268b031145659283cf9582e1830b0828601dc8edc599f42063003c085
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The primary malicious URL, 'https://ttraff.com/pify?keyword=manual+lombriz+roja+californiana+pdf', is designed to lead users to harmful content. The document body, though partially corrupted, contains references to the same malicious URL and appears to be a lure for users to click on the links.

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=manual+lombriz+roja+californiana+pdf
    • http://files.auntiearwenspices.com/uploads/1/3/1/3/131381288/51784cf.pdf
    • http://files.stmatthiasonline.org/uploads/1/3/1/4/131455475/pesukabakiguzep_vafixabit_bizikoras.pdf
    • http://files.castawaycustomsmidwest.com/uploads/1/3/1/6/131637477/linuzipifov_xutuwumejifuw_xewasitifot_zetuluwitidejek.pdf
    • http://files.belovedportraitsbypatti.com/uploads/1/3/2/6/132695519/7857371.pdf
    • http://files.dizzycoach.com/uploads/1/3/0/8/130874129/redesoba-xurun.pdf
    • https://cdn.shopify.com/s/files/1/0434/0105/2323/files/9318700855.pdf
    • https://cdn.shopify.com/s/files/1/0430/0364/2007/files/50940962782.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/koxumugude.pdf
    • https://cdn.shopify.com/s/files/1/0431/9641/6157/files/33057533097.pdf
    • https://cdn.shopify.com/s/files/1/0428/3590/2631/files/jofib.pdf
    • https://cdn.shopify.com/s/files/1/0428/1637/2892/files/kumokulakotugakisok.pdf
    • https://cdn.shopify.com/s/files/1/0429/5252/3929/files/23307586799.pdf
    • https://cdn.shopify.com/s/files/1/0437/8070/2366/files/93908558961.pdf
    • https://cdn.shopify.com/s/files/1/0431/7865/5903/files/6126421310.pdf
    • https://cdn.shopify.com/s/files/1/0432/8387/3942/files/remisonufo.pdf
    • https://cdn.shopify.com/s/files/1/0432/3573/7764/files/xalakot.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_off000044fb.bin
280d9fe08d3869a4b603792fb6831c67786bcef4e6f9cca887b9bbe06ddcc51a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x44FB 5392 bytes
font_01_sfnt_off00005754.bin
facc228c80e9db27f860abe830761d03ba17ee80a4829789aea779abdaaba25a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5754 10436 bytes

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