Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f747dea5c861286…

MALICIOUS

PDF

39.5 KB Created: 2020-08-20 09:16:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9d8ba5fb791a11cf6425ab8586124e52 SHA-1: 4d890815ecf97e3e905a5824d046af6404a365e2 SHA-256: 9f747dea5c86128621a94cf569a3beaebcad2ef1f9324c1c387305357b36e145
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link pointing to 'ttraff.com', which is flagged as malicious. The document body, though heavily corrupted, contains text related to property inspection reports and the malicious URL, suggesting a lure. The presence of a link farm heuristic further indicates a malicious intent to drive traffic to external sites.

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=property+inspection+report+template+with+photos
    • http://files.presentingyourpast.com/uploads/1/3/1/1/131163932/sapaxuwibigarubipuzo.pdf
    • https://cdn.shopify.com/s/files/1/0454/6779/5608/files/aulus_cornelius_celsus_de_medicina.pdf
    • https://cdn.shopify.com/s/files/1/0431/3510/7233/files/boarding_pass_easyjet.pdf
    • https://cdn.shopify.com/s/files/1/0437/7971/9330/files/81049503675.pdf
    • https://cdn.shopify.com/s/files/1/0432/2911/8627/files/podepexemuxupinojifo.pdf
    • https://cdn.shopify.com/s/files/1/0430/9703/0817/files/bavowudokudapotut.pdf
    • https://cdn.shopify.com/s/files/1/0433/8493/0462/files/jofodifukafuxewamazitarel.pdf
    • https://cdn.shopify.com/s/files/1/0429/0890/9734/files/rajoli.pdf
    • https://cdn.shopify.com/s/files/1/0435/1878/7736/files/bruegger_s_nutrition.pdf
    • https://cdn.shopify.com/s/files/1/0433/4170/9462/files/mivabuzaxeviwuzorefejez.pdf
    • https://cdn.shopify.com/s/files/1/0430/8716/7645/files/agrochemicals_agrimoon.pdf
    • https://cdn.shopify.com/s/files/1/0428/7853/3799/files/51654694472.pdf
    • https://cdn.shopify.com/s/files/1/0435/9097/5647/files/81866868305.pdf
    • https://cdn.shopify.com/s/files/1/0437/6847/9901/files/game_tv_aoe.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_off00005ce7.bin
e8d7670b93c8646d136de1d3fdcfac3299191ed549e67855ba8b3edabf3ce2b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CE7 5368 bytes
font_01_sfnt_off00006f0c.bin
2ac55ea553edf86dba956a055b58c8f1268e07b2faf146a922e38dd11a33b2a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F0C 9904 bytes

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