Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d72ed5581049355…

MALICIOUS

PDF

63.6 KB Created: 2020-08-22 00:01:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe54bf18939faa5716b5b67918183c5a SHA-1: 757a7a367039667556cb7f7ae5b0e22f364490d5 SHA-256: 3d72ed558104935511b423d802a246be3f0882164a118f8370c28ad53125ea62
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the malicious URL, suggesting the intent is to trick the user into clicking it. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm used for SEO manipulation or to distribute malicious content.

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=best+wireless+headphones+for+android+phones
    • http://wabiva.cristina-saez.com/uploads/1/3/1/6/131637027/kowopafapidajon.pdf
    • http://vobopefex.hilltaxisweymouth.net/uploads/1/3/2/7/132740285/fodapipemu-wituxov-kajofa.pdf
    • http://gitupow.neeleyhvac.com/uploads/1/3/1/6/131637016/3261172.pdf
    • http://gopenas.mesamindfulness.com/uploads/1/3/0/8/130874330/2aa6dc4a7f46.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/visaboxe.pdf
    • https://cdn.shopify.com/s/files/1/0433/5117/9423/files/jaluroti.pdf
    • https://cdn.shopify.com/s/files/1/0435/1010/4216/files/emulateur_android_pokemon_soleil.pdf
    • https://cdn.shopify.com/s/files/1/0429/0550/1859/files/swing_low_sweet_chariot_clarinet_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0431/4831/2740/files/novel_drug_delivery_system_book.pdf
    • https://cdn.shopify.com/s/files/1/0429/3119/1975/files/vikifime.pdf
    • https://cdn.shopify.com/s/files/1/0429/7929/5383/files/sikoxidamova.pdf
    • https://cdn.shopify.com/s/files/1/0429/1556/1638/files/the_shield_vs_the_wyatt_family.pdf
    • https://cdn.shopify.com/s/files/1/0428/4976/3487/files/wemewaviki.pdf
    • https://cdn.shopify.com/s/files/1/0428/7430/6727/files/45665469200.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_off0000ad81.bin
dc2063e83e07d7402c00d1b0db1c0f01c780efa2f99c54d30b2313d51b139b51		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAD81 5056 bytes
font_01_sfnt_off0000beb2.bin
626021f61c2302be7b7950a05ebde9ae2eaed3f0a65bf302024a540cb4edb5ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBEB2 10652 bytes
font_02_sfnt_off0000e311.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE311 4324 bytes

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