Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d0bec0d19a1de25…

MALICIOUS

PDF

63.7 KB Created: 2020-08-03 03:44:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c77624bb52ae327d53bc29a0555fa87 SHA-1: b343dd2608d0f0e140e94b9e9751815bac698048 SHA-256: 8d0bec0d19a1de257f20ca711b760b300fe0e17bb96eae4fa52bff66b203b44c
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=green+eye+emanifest'. This URL is likely intended to redirect the user to a malicious site. The document also contains a large number of external PDF links, many hosted on shopify.com, suggesting a link farm or SEO poisoning attempt to increase visibility of malicious content. The document body contains the text 'Green eye emanifest' and the malicious redirector URL, indicating a lure to trick users into clicking the link.

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=green+eye+emanifest
    • http://files.didymus.org/uploads/1/3/2/6/132683000/8f7b8ea80a.pdf
    • http://files.kingdomhvac.org/uploads/1/3/2/7/132710661/norex-dunajilodafu-gatozorusax-kewituvosugir.pdf
    • http://files.selindoalpha.com/uploads/1/3/1/3/131379567/nubewarer-lubutatalolape.pdf
    • http://files.mycorbintoncommons.com/uploads/1/3/1/3/131380547/gapatapanibilugos.pdf
    • https://cdn.shopify.com/s/files/1/0432/2610/3971/files/nalanitoni.pdf
    • https://cdn.shopify.com/s/files/1/0430/1848/5923/files/14960547062.pdf
    • https://cdn.shopify.com/s/files/1/0431/9058/3464/files/15165226719.pdf
    • https://cdn.shopify.com/s/files/1/0435/1560/9243/files/38395010435.pdf
    • https://cdn.shopify.com/s/files/1/0431/1659/3312/files/62390200784.pdf
    • https://cdn.shopify.com/s/files/1/0429/8624/2209/files/tijugegatabowu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6227/1898/files/xezavataserewiro.pdf
    • https://cdn.shopify.com/s/files/1/0429/9803/8679/files/43064353855.pdf
    • https://cdn.shopify.com/s/files/1/0433/9430/2117/files/mevitekuzilamimiv.pdf
    • https://cdn.shopify.com/s/files/1/0430/7373/2768/files/register_irc_nickname.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nanejixiv.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_off0000b291.bin
f19c9e1c4e9928c1c290a1d32fa806d055536994ab02a4304a4122809aec99b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB291 5016 bytes
font_01_sfnt_off0000c396.bin
2a54cf9693561da0437a67d0b8c858ebb3f2b46e56ad2bf7820742649b8c45fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC396 14564 bytes

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