Malicious PDF — malware analysis report

Static analysis result for SHA-256 499f0441e30a7e57…

MALICIOUS

PDF

46.1 KB Created: 2020-08-19 17:04:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45af66da372de05042d0e7bc30e79b15 SHA-1: b75ba3feb440ea8261820c64928332582788944c SHA-256: 499f0441e30a7e57ed550cc0b7b2fdab7071463e6d074453d24e54c0a5f6d632
128 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The embedded URL 'https://ttraff.com/pify?keyword=carrom+king+mod+apk+unlimited+money' suggests a lure for a modified application. The presence of numerous links to external PDFs, many hosted on Shopify, is characteristic of SEO spam or link farm techniques used to distribute malicious content.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=carrom+king+mod+apk+unlimited+money
    • http://files.ecclesiaclasses.com/uploads/1/3/1/6/131606368/a6cdf52eb2b2.pdf
    • http://moxup.ps27fr.org/uploads/1/3/2/7/132710694/toneb.pdf
    • http://favudemiv.seer-gallery.com/uploads/1/3/1/4/131454151/jezobejet-kekobilema-gudebuz.pdf
    • https://cdn.shopify.com/s/files/1/0437/1657/5383/files/arrl_repeater_directory.pdf
    • https://cdn.shopify.com/s/files/1/0432/9163/9968/files/95171234579.pdf
    • https://cdn.shopify.com/s/files/1/0440/9311/2472/files/how_to_install_forge.pdf
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/namavoludanejafuxi.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/13534048661.pdf
    • https://cdn.shopify.com/s/files/1/0430/6193/6285/files/94519813924.pdf
    • https://cdn.shopify.com/s/files/1/0437/8315/9969/files/77979469385.pdf
    • https://cdn.shopify.com/s/files/1/0430/6334/5301/files/kadibineb.pdf
    • https://cdn.shopify.com/s/files/1/0429/9436/8663/files/wezadibawogagowan.pdf
    • https://cdn.shopify.com/s/files/1/0432/8272/7067/files/2783083517.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_off0000689f.bin
21ff9a3197084971445ad707b6cd7fc38e0742a36742fc862db6fad0de56bc7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x689F 3176 bytes
font_01_sfnt_off000073f1.bin
92a9d4f90b607abb57329e61daef590a3a67ab629fac6564534306d728eb8317		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73F1 5172 bytes
font_02_sfnt_off0000857b.bin
13f72bf38f5c4551ee4970ee3e4c341b91eec0f643895103635f3bed8a90090e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x857B 10576 bytes

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