Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e25c69ecda3658e…

MALICIOUS

PDF

41.3 KB Created: 2020-08-07 23:01:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 07b2a14f78a4a24dbd7a6566c192399b SHA-1: 3f306fa94d40718915563826a0abd0381d5f44f6 SHA-256: 4e25c69ecda3658eaa70169bb4f20dc7c1f76fb3279078199385dbaeeeec288c
128 Risk Score

Malware Insights

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

The PDF contains a deceptive link presented as a download for 'Eenadu telugu news paper today pdf download'. This link, identified as a malicious redirector, points to 'https://ttraff.cc/pify?keyword=eenadu+telugu+news+paper+today+pdf+download'. The document also hosts a large number of external PDF links, many hosted on cdn.shopify.com, suggesting a link farm for SEO manipulation or traffic redirection. The presence of a visual download button further supports the lure.

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.cc/pify?keyword=eenadu+telugu+news+paper+today+pdf+download
    • http://files.brandonarthurshindolcsw.com/uploads/1/3/0/7/130775831/josofufewogebap-pakaniwotuza-futotanezakogo.pdf
    • http://files.madire.com/uploads/1/3/1/6/131606563/2923126.pdf
    • http://files.futureandhopeinc.org/uploads/1/3/0/7/130739210/lubebezijoliful_putipawelu_nuzikumadoweded_jogil.pdf
    • https://cdn.shopify.com/s/files/1/0437/4924/5082/files/xubol.pdf
    • https://cdn.shopify.com/s/files/1/0435/5633/9861/files/50213634297.pdf
    • https://cdn.shopify.com/s/files/1/0430/6341/0845/files/8682884319.pdf
    • https://cdn.shopify.com/s/files/1/0429/2637/5071/files/walmart_cashier_training_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/5735/6695/files/parent_functions_and_transformations.pdf
    • https://cdn.shopify.com/s/files/1/0432/2590/7368/files/bonemujokode.pdf
    • https://cdn.shopify.com/s/files/1/0438/2546/3456/files/acs_exam_study_guide.pdf
    • https://cdn.shopify.com/s/files/1/0427/6387/8566/files/3468939181.pdf
    • https://cdn.shopify.com/s/files/1/0431/0836/8545/files/young_jeezy_lose_my_mind.pdf
    • https://cdn.shopify.com/s/files/1/0437/6192/6293/files/employment_contract_singapore.pdf
    • https://cdn.shopify.com/s/files/1/0433/3030/6203/files/98013497306.pdf
    • https://cdn.shopify.com/s/files/1/0430/5797/1362/files/fader_drone_2693.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_off000058e8.bin
201a914e5a0cb4c6fb4725099f427e34825adbed7bf1d60b3e947956d8a92717
pdf-font-stream PDF embedded font (sfnt) at offset 0x58E8 2900 bytes
font_01_sfnt_off00006327.bin
bde5d7dcc2beb251709502fb706eeb51b4dd4f29dc5366fee287f289552c8383
pdf-font-stream PDF embedded font (sfnt) at offset 0x6327 5360 bytes
font_02_sfnt_off00007592.bin
9e9ce4e950481ff5cfe6bebd9870c3344ee3c3f1b07a22e5687e1f0aa291657e
pdf-font-stream PDF embedded font (sfnt) at offset 0x7592 10024 bytes