Malicious PDF — malware analysis report

Static analysis result for SHA-256 349b9b284c898b0a…

MALICIOUS

PDF

42.8 KB Created: 2020-08-05 00:54:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63ab4c5283603ad4fdc0b34e97bd637e SHA-1: e0d230e871b4959f20719c96f6b563365a0f88bc SHA-256: 349b9b284c898b0a316aadc1b59bc3b6f5ab3c934bfadedbe8b02e234097d412
120 Risk Score

Malware Insights

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

The PDF contains a link farm with 16 external PDF links, including a redirector to 'ttraff.com'. This indicates an attempt to lure users to malicious infrastructure. The document body itself is heavily obfuscated and contains the redirector URL, further supporting the malicious intent. No scripts were extracted from this sample.

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=adverb+phrase+examples+pdf
    • http://files.iamrogerwebb.com/uploads/1/3/2/6/132681954/c47be40e5a7e7af.pdf
    • http://megabov.stbernardandstdamian.org/uploads/1/3/1/6/131606094/vidutitoj_nedaboberi_sixazetilume_xemaluwujepiw.pdf
    • http://limugo.pitbullleatherwork.com/uploads/1/3/1/3/131380058/3308152.pdf
    • http://files.elizabethmathie.com/uploads/1/3/1/4/131483002/fivelerugozumiv_dogofutima.pdf
    • http://jowiwa.rosannadiggs.com/uploads/1/3/0/9/130969368/1314396.pdf
    • https://cdn.shopify.com/s/files/1/0427/6387/8566/files/bubakegexodekufubalaxivig.pdf
    • https://cdn.shopify.com/s/files/1/0437/1392/1175/files/how_to_reset_mysql_root_password_mac.pdf
    • https://cdn.shopify.com/s/files/1/0434/6930/8061/files/18465072166.pdf
    • https://cdn.shopify.com/s/files/1/0429/0553/4620/files/cinex_hd_product_key.pdf
    • https://cdn.shopify.com/s/files/1/0431/7511/6959/files/fipevo.pdf
    • https://cdn.shopify.com/s/files/1/0434/3349/2641/files/wazunebobamorogapub.pdf
    • https://cdn.shopify.com/s/files/1/0431/0099/5741/files/tisimezisif.pdf
    • https://cdn.shopify.com/s/files/1/0440/6149/1365/files/diablo_2_high_res_mods.pdf
    • https://cdn.shopify.com/s/files/1/0427/7361/0663/files/138142543.pdf
    • https://cdn.shopify.com/s/files/1/0432/7945/0272/files/venture_theme_shopify.pdf
    • https://cdn.shopify.com/s/files/1/0430/1262/0447/files/bokigikezixivigogeba.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_off00006a12.bin
a44b948d96582771e5f37a55c43cccbaad33a606966b578e0e4596d2530da5a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A12 5540 bytes
font_01_sfnt_off00007cc3.bin
5eb6a652bb87877dfeb16e095e9133045386643b7d5f802cc7b6bb8e937e0472		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CC3 9924 bytes

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