Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa61b703b7dadd3a…

MALICIOUS

PDF

45.5 KB Created: 2020-08-18 19:29:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47e0fdfd3fce81b2a2f863844313f118 SHA-1: 7b29053382e31da280d101b7ebdbae69c9e90e29 SHA-256: fa61b703b7dadd3a151ea7df345db7342123c677f5c0feff65081f2e4c93405a
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.com/pify?keyword=cabriole+leg+template', points to known malicious redirector infrastructure. The document body appears to be malformed or obfuscated, but the presence of numerous external links suggests a malicious intent, likely related to SEO manipulation or redirecting users to harmful sites.

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=cabriole+leg+template
    • http://patog.travelbaseballrankings.com/uploads/1/3/1/0/131070934/8491669.pdf
    • http://rozufizu.wichitammta.org/uploads/1/3/2/6/132695569/4670837.pdf
    • http://tuvarav.kimseiterdogagility.com/uploads/1/3/0/7/130775162/xokebake_fukekoru.pdf
    • http://files.chaletdancers.com/uploads/1/3/0/7/130776252/1296982.pdf
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/32710532792.pdf
    • https://cdn.shopify.com/s/files/1/0431/9959/4656/files/kefufomosoromulepigowemiz.pdf
    • https://cdn.shopify.com/s/files/1/0431/9870/9918/files/86675744846.pdf
    • http://files.stackedcakes.us.com/uploads/1/3/1/3/131379578/xepemumolapeg_punowij_suxodeg_vowewimefaw.pdf
    • https://cdn.shopify.com/s/files/1/0429/1559/4393/files/bwapp_walkthrough.pdf
    • https://cdn.shopify.com/s/files/1/0433/4210/2679/files/weather_report_tomorrow_kohima.pdf
    • https://cdn.shopify.com/s/files/1/0435/4929/4756/files/auscultation_cardiaque.pdf
    • https://cdn.shopify.com/s/files/1/0434/0714/7166/files/rivukejufokazutimote.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wanojexabe.pdf
    • https://cdn.shopify.com/s/files/1/0430/8385/8073/files/27651988569.pdf
    • https://cdn.shopify.com/s/files/1/0435/0928/5024/files/time_mk_vesti.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ffd.bin
1ca9bb7b9d39cabcbcf2fffb52097202e0c62c91356b70e30550c554b568f822		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FFD 5588 bytes
font_01_sfnt_off00007389.bin
d00503102a44bb02d82199f9c9a9fa4098ac0fb0a43ee37e69091341a0665f71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7389 5008 bytes
font_02_sfnt_off0000847b.bin
5b23a042404667a3ad293e8a5195afbb34d8c82f60e8503a7bbaad232780b793		 pdf-font-stream PDF embedded font (sfnt) at offset 0x847B 10220 bytes

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