Malicious PDF — malware analysis report

Static analysis result for SHA-256 955280e80bdc4eb4…

MALICIOUS

PDF

53.1 KB Created: 2020-08-30 17:21:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ccb196b40bc87ac2bfe846911dd74ef8 SHA-1: 1851b71ef16d2bfcf25a77b7f22b694f16de6c31 SHA-256: 955280e80bdc4eb4ff41ecc3227d771ba5e3fc73ab50cb3124847e78678125e5
140 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to a product, and the heuristics indicate a callback phishing or tech-support scam pattern. The presence of numerous external links suggests an attempt to drive traffic to malicious or deceptive content.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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/wix?keyword=alienware+aurora+r3
    • https://cdn.shopify.com/s/files/1/0434/4211/0631/files/gitifesunomikivu.pdf
    • https://cdn.shopify.com/s/files/1/0434/0924/4316/files/56623904410.pdf
    • https://cdn.shopify.com/s/files/1/0434/1471/6572/files/3d_printing_technology_review.pdf
    • https://cdn.shopify.com/s/files/1/0428/4694/5436/files/camera_icon_disappeared_android.pdf
    • https://cdn.shopify.com/s/files/1/0434/2661/1357/files/fivatunoweziteli.pdf
    • https://static.usrfiles.com/ugd/efb3f0_acd2a0c163114d118b8462d658af7b5c.pdf
    • https://static.usrfiles.com/ugd/d3758e_8053244ac753439eb786ea786a45d758.pdf
    • https://static.usrfiles.com/ugd/b8c837_302454ce0cdf42f5b196069a7f5d608f.pdf
    • https://static.usrfiles.com/ugd/8127dd_b2f21e22e8a14dc588edac3876c5beab.pdf
    • https://static.usrfiles.com/ugd/df4650_994bb1c8de9b45cfada6e5551c0c230f.pdf
    • https://static.usrfiles.com/ugd/b8c837_39a3f44cf804498ea10c6a147c3aed1e.pdf
    • https://static.usrfiles.com/ugd/b8c837_c70b9d4424d8405bb3bda691be94c03d.pdf
    • https://static.usrfiles.com/ugd/5fd5c1_c74260ce66ff477988848009045095b0.pdf
    • https://static.usrfiles.com/ugd/6c032c_9197f5d3987941e0849397b0eb6d1779.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_off0000950d.bin
1dee95617de7d4f8ac86888ca8c5096861207bb5d1dd0a2cbfc546fe013eef15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x950D 4744 bytes
font_01_sfnt_off0000a54d.bin
52899930ebc7388b12e1870f30736f705ee30ef249c1dcfb78dacfea939ed982		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA54D 10024 bytes

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