Malicious PDF — malware analysis report

Static analysis result for SHA-256 97a2d80814661bab…

MALICIOUS

PDF

40.5 KB Created: 2020-08-23 13:08:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 124109844e6418fb4f88cafe782349ac SHA-1: 55da7b97dd3e943375481c988e8878b47e072df0 SHA-256: 97a2d80814661bab72c94bc1072298aaab98a1a4177a9b30d686237463bb9ff0
128 Risk Score

Malware Insights

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

The PDF contains a link to a redirector service, which is a common technique for delivering malicious payloads. The document body mentions 'barcode maker pro apk' and includes a call-to-action phrase, suggesting a lure to download potentially unwanted or malicious software. The presence of a link farm further indicates an attempt to manipulate search engine results or distribute content broadly.

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=barcode+maker+pro+apk
    • http://files.learningdifferencesresourcegroup.org/uploads/1/3/0/9/130969440/6a5707e6.pdf
    • http://files.lindastantonart.com/uploads/1/3/0/8/130814058/78e991148e900.pdf
    • http://tifuxemi.fbckilbourne.com/uploads/1/3/0/7/130738531/parediwiza.pdf
    • https://cdn.shopify.com/s/files/1/0431/9087/8372/files/understanding_human_behaviour_psychology.pdf
    • https://cdn.shopify.com/s/files/1/0439/3956/1630/files/36129399004.pdf
    • https://cdn.shopify.com/s/files/1/0429/8119/5927/files/jadujivuwovolu.pdf
    • https://cdn.shopify.com/s/files/1/0436/8809/9993/files/35361232861.pdf
    • https://cdn.shopify.com/s/files/1/0431/0512/4516/files/noxotegunapawubigu.pdf
    • https://cdn.shopify.com/s/files/1/0432/8184/2341/files/21243762306.pdf
    • https://cdn.shopify.com/s/files/1/0435/8366/8392/files/faregarowekap.pdf
    • https://cdn.shopify.com/s/files/1/0437/8587/9713/files/data_analysis_procedure_sample.pdf
    • https://cdn.shopify.com/s/files/1/0430/5387/5357/files/baby_sitters_club_book_1.pdf
    • https://cdn.shopify.com/s/files/1/0431/2042/7157/files/skype_for_bleckberry.pdf
    • https://cdn.shopify.com/s/files/1/0431/8186/7176/files/bateria_ion_litio_funcionamiento.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_off0000612a.bin
291271ce4a1b60acff5a6e2bb4918d201640c2aa918ed8d5c2f8af56222b6107		 pdf-font-stream PDF embedded font (sfnt) at offset 0x612A 5120 bytes
font_01_sfnt_off00007278.bin
97e691a992ead4452df65b4c72eddf60cefcd5211bf3b9c049831aa6d2428e75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7278 10260 bytes

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