Malicious PDF — malware analysis report

Static analysis result for SHA-256 49536be8fe912717…

MALICIOUS

PDF

57.7 KB Created: 2020-08-21 04:05:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 606fc734f7dca8a3fec0b32349533c6a SHA-1: 881ca7294c1762ddc17e5613e81519af855964fe SHA-256: 49536be8fe912717038489893349195b44156deb927e05542152813f04f0ab87
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, a common tactic for SEO spam and phishing. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is designed to lure users into clicking through to potentially harmful content. The document body, though heavily obfuscated, contains text related to 'Mcafee epolicy orchestrator administration guide', suggesting a pretext for the malicious links. The presence of a link farm further supports the attack pattern of using seemingly legitimate documents to drive traffic to malicious infrastructure.

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=mcafee+epolicy+orchestrator+administration+guide
    • http://files.strategicmotv8r.com/uploads/1/3/0/7/130739490/lobabo.pdf
    • http://ravovaxip.mabellepresent.com/uploads/1/3/0/8/130874655/jaxewofoli.pdf
    • https://cdn.shopify.com/s/files/1/0429/8761/8463/files/daxipu.pdf
    • https://cdn.shopify.com/s/files/1/0441/1470/6584/files/trigeminal_neuralgia_review_article.pdf
    • https://cdn.shopify.com/s/files/1/0438/0921/0529/files/adventures_of_tintin.pdf
    • https://cdn.shopify.com/s/files/1/0434/3064/1826/files/79808163785.pdf
    • https://cdn.shopify.com/s/files/1/0428/1637/2892/files/jivowafuki.pdf
    • https://cdn.shopify.com/s/files/1/0433/5478/3893/files/12771538148.pdf
    • https://cdn.shopify.com/s/files/1/0430/2523/6121/files/duseduwulum.pdf
    • https://cdn.shopify.com/s/files/1/0438/9113/0536/files/burp_suite_tutorial_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/0485/3406/files/nuwaboloxokenuripekozuvow.pdf
    • https://cdn.shopify.com/s/files/1/0428/3603/3695/files/o_reilly_python_data_science_handbook.pdf
    • https://cdn.shopify.com/s/files/1/0436/7505/8329/files/memef.pdf
    • https://cdn.shopify.com/s/files/1/0433/9495/7475/files/ludilifinarukepixefef.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_off0000a405.bin
a7772c7f3932e1f9bedac183f8dd57e2be3f06a932783c13361efcbf6c860be2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA405 5676 bytes
font_01_sfnt_off0000b72f.bin
931fdd9fa971139300ebce9d220c6aa595c995d7ae83e05db343bc28ae617e51		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB72F 10144 bytes

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