Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c189127775b8829…

MALICIOUS

PDF

98.7 KB Created: 2020-09-07 22:54:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1f94c1fcefa40490ce3b8cfcaa138a11 SHA-1: a14eb1ac80fa810ee5af56cc62d9f14e90eff0d1 SHA-256: 2c189127775b88297ae1b82043971f864d36ed076728d56ed88f57ce807c5a1c
128 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.com/pify?keyword=aithey+enti+videos'. Another heuristic indicates a link farm structure, suggesting an attempt to distribute or obscure malicious content. The document body, though heavily obfuscated, contains text that appears to be related to the lure, and the presence of urgency language further supports a phishing or redirection attack pattern.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=aithey+enti+videos
    • https://static.usrfiles.com/ugd/ced2dc_a4c864addd9c4b1494734ec10df2baa0.pdf
    • https://static.usrfiles.com/ugd/cb2bed_58983ea7e8634ba1977b2deaa7c8faec.pdf
    • https://static.usrfiles.com/ugd/ea78e0_98acc93fffa549399ee1ca5795e0d6c0.pdf
    • https://static.usrfiles.com/ugd/b8c837_ec75e064e67140e6a819ade02fb77d06.pdf
    • https://static.usrfiles.com/ugd/ab0441_c9de621d06e44edfb1362c02cfeaf2c7.pdf
    • https://cdn.shopify.com/s/files/1/0436/8800/1689/files/netcut_pro_apk_sans_root.pdf
    • https://cdn.shopify.com/s/files/1/0433/4115/2406/files/vadekupezeporavofaraba.pdf
    • https://cdn.shopify.com/s/files/1/0461/6739/2419/files/63197168261.pdf
    • https://static.usrfiles.com/ugd/6dcf04_281e1e87f9744ca1ab3f3fc0763004b6.pdf
    • https://static.usrfiles.com/ugd/cec570_6aa32393e4c74d4284016bf474cb8cd4.pdf
    • https://static.usrfiles.com/ugd/bae363_1d5b34ed5f1e4ba2a54b94e7f56b4623.pdf
    • https://static.usrfiles.com/ugd/01bc73_c5e82e26c7c84f72a807874d68518349.pdf
    • https://static.usrfiles.com/ugd/d775a9_e5be8ed1e3de4b09bf4546f89765ef6f.pdf
    • https://cdn.shopify.com/s/files/1/0433/1044/8795/files/do_spotify_streams_count_on_mute.pdf
    • https://cdn.shopify.com/s/files/1/0433/5730/7039/files/problemas_psicosociales_en_el_peru.pdf
    • https://cdn.shopify.com/s/files/1/0431/0581/2633/files/abordagem_triangular_no_ensino_das_artes.pdf
    • https://cdn.shopify.com/s/files/1/0440/0021/5190/files/ginamelo.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001237b.bin
53725db115604063b9275d447f31a3d2e034a8983ed10734141b6adb7793d184		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1237B 4724 bytes
font_01_sfnt_off0001339d.bin
40f8de2864e758bce11e97161bc4ab938acdefc4640c743c976de0f6a682b9c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1339D 16300 bytes
font_02_sfnt_off000165d3.bin
8dcc045c9df5e390f229755f7cda05aa49e8e7edd447032c21eb6e82f822860d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x165D3 16140 bytes

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