Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a65c36c2917e745…

MALICIOUS

PDF

45.3 KB Created: 2020-08-16 11:15:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 573717645e012c122df42115cf3c8e35 SHA-1: 1d152e101e8ffd545befc81a087076774d487cc8 SHA-256: 8a65c36c2917e745455eb09fbf0ad9585245606c0a5155144199a691d82a45a2
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, with one critical heuristic identifying it as a malicious redirector. The document body, though partially garbled, contains text related to a 'fire and evacuation plan template' and a URL that appears to be a lure. This suggests a social engineering attack aiming to trick users into visiting malicious sites. The presence of a link farm further supports this, indicating an attempt to distribute malicious content or traffic.

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.cc/pify?keyword=fire+and+evacuation+plan+template+queensland
    • http://files.affiliatedtattoofamily.com/uploads/1/3/1/3/131383760/5391611.pdf
    • http://files.drlendevilliers.com/uploads/1/3/1/3/131380292/5075395.pdf
    • http://files.jazziebella.com/uploads/1/3/2/6/132681482/gajatonumigop.pdf
    • http://files.sholansun.com/uploads/1/3/0/8/130873855/48f703c0386e97.pdf
    • https://cdn.shopify.com/s/files/1/0437/1061/1605/files/53469500432.pdf
    • https://cdn.shopify.com/s/files/1/0431/2029/6090/files/nogoroze.pdf
    • https://cdn.shopify.com/s/files/1/0437/6326/9789/files/loge_du_carburateur.pdf
    • https://cdn.shopify.com/s/files/1/0448/0860/1762/files/9924912776.pdf
    • https://cdn.shopify.com/s/files/1/0430/3863/8241/files/27628900825.pdf
    • https://cdn.shopify.com/s/files/1/0446/3765/1107/files/4394037134.pdf
    • https://cdn.shopify.com/s/files/1/0432/5366/1851/files/top_5_cricket_games_for_android_2019.pdf
    • https://cdn.shopify.com/s/files/1/0430/5174/5442/files/20488503220.pdf
    • https://cdn.shopify.com/s/files/1/0433/7077/4693/files/befepokowoxebofiso.pdf
    • https://cdn.shopify.com/s/files/1/0429/5458/8316/files/bilixafigunaka.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zonixalekena.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_off00006799.bin
df167b7b8e8e70086aecb9eb76202f7c7669270142df065f8ad62f5f8a4cb7f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6799 5240 bytes
font_01_sfnt_off00007949.bin
e8e7e60eb7cd1d0840d81b404bc7712c4188779965ca8356b36c0001a6e2affd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7949 9608 bytes
font_02_sfnt_off00009a25.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A25 4324 bytes

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