Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc64888127acbfb1…

MALICIOUS

PDF

48.9 KB Created: 2020-09-10 15:20:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b8a1f68ffa0677738c67accf9efda8a4 SHA-1: b1bc8f935dce523076aea97bc81fb60667dc5995 SHA-256: cc64888127acbfb15f14370529aa8ac1424478ea171654223add838c01ab6410
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains multiple embedded links, with one specifically identified as a malicious redirector. The heuristic 'SE_MFA_LURE' indicates the document is designed to harvest credentials or abuse multi-factor authentication. The primary malicious URL identified is 'https://ttraff.me/pify?keyword=aadhar+card+correction+form+online+uttar+pradesh', which is used in a credential phishing attempt.

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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.me/pify?keyword=aadhar+card+correction+form+online+uttar+pradesh
    • https://static.usrfiles.com/ugd/b8c837_efee563323c540958834e6aa0a4aee3d.pdf
    • https://static.usrfiles.com/ugd/0a51c1_37551d8581d5488e87953a60afacbbbc.pdf
    • https://static.usrfiles.com/ugd/370ea2_30fa0c3370a941d58d0cd04c77b06c74.pdf
    • https://static.usrfiles.com/ugd/5af86b_554443c1e508405790e9b70017f59968.pdf
    • https://static.usrfiles.com/ugd/b4a829_1ce4c4668e334ac388277a9bd8422831.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6241/files/7919924137.pdf
    • https://cdn.shopify.com/s/files/1/0463/3011/8301/files/jozupezopejanodiluno.pdf
    • https://cdn.shopify.com/s/files/1/0428/5267/9836/files/the_blacklist_season_4_episode_1.pdf
    • https://cdn.shopify.com/s/files/1/0427/3196/2535/files/6103168049.pdf
    • https://cdn.shopify.com/s/files/1/0431/9064/8996/files/soxofubafolavo.pdf
    • https://cdn.shopify.com/s/files/1/0433/6146/8574/files/durable_power_of_attorney_form_illinois.pdf
    • https://cdn.shopify.com/s/files/1/0430/0252/7897/files/mapososataximikemewawifis.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_off00008040.bin
bfff80bf1bda41989444737246ef5a988f11db3b87cdb1cadc4696930c6b7610		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8040 5384 bytes
font_01_sfnt_off0000926d.bin
e7a2fe1b72318b6b8a2fe1e18aecb167e6f6b6201218b4fce17a52a31b5788bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x926D 10652 bytes

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