Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffaddfee79c8a3a1…

MALICIOUS

PDF

59.5 KB Created: 2020-08-31 05:57:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 50b5a91b84d9d0056d28255abfa51e86 SHA-1: fae397952f624a9d6589dbcf3d1b832bf96b9ae6 SHA-256: ffaddfee79c8a3a1fa42017f11c66899d23d0558e6d2f9edd6573e88b89aada0
128 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one pointing to a known malicious redirector. The document also includes a call-to-action phrase, suggesting a social engineering lure. The presence of a link farm indicates an attempt to distribute malicious content or redirect users to phishing 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/wix?keyword=peter+senge+5+disciplines
    • https://static.usrfiles.com/ugd/451a43_32ecaf651a704ee6983a24744577b847.pdf
    • https://static.usrfiles.com/ugd/b8c837_468650001d664a0993cf9f4379b8f796.pdf
    • https://static.usrfiles.com/ugd/6f58fb_39de16bc691c4c10b0a9294a153a497c.pdf
    • https://cdn.shopify.com/s/files/1/0436/4464/9630/files/62414937090.pdf
    • https://cdn.shopify.com/s/files/1/0430/4610/9345/files/vizesed.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojezurin.pdf
    • https://cdn.shopify.com/s/files/1/0436/1935/2740/files/lerawifebalipudaxoseka.pdf
    • https://cdn.shopify.com/s/files/1/0437/4455/9258/files/list_of_english_abbreviations.pdf
    • https://cdn.shopify.com/s/files/1/0431/0515/7282/files/al_quran_tamil.pdf
    • https://static.usrfiles.com/ugd/6cfc61_cca19b3ece9b40e6b4f255a606011274.pdf
    • https://static.usrfiles.com/ugd/c618e9_b22fb7b093a84d99830aa240760ef3f5.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000871f.bin
332c9a82cdc85b7501085d2923a74d6d5f7b4fc61ba2b1e10d1439bee17a43f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x871F 4832 bytes
font_01_sfnt_off0000978a.bin
d161748a14e025bfccd50f063d7dd7f9f050c6d7c4253cb326daa8ff363f4a72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x978A 8632 bytes
font_02_sfnt_off0000af42.bin
3daf273c396a502ef2969e076d7507902b6f73badaa1d4eb3202eeb6b16afa27		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAF42 10408 bytes
font_03_sfnt_off0000d29a.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD29A 4324 bytes

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