Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a004f5e642296d5…

MALICIOUS

PDF

42.4 KB Created: 2020-08-14 21:46:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 95cd7ee47061f90b5801dc15e85dcda0 SHA-1: e6d0e10a076e1a894a186fdab8959e1a60da9284 SHA-256: 4a004f5e642296d5ba611a62ec59df0695e7ccb41804010105bb8a22c60b0a60
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, includes the search term 'Noorani qaida tajweed rules in urdu pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm heuristic further supports the malicious intent of redirecting users to external, potentially harmful content.

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.com/wb?keyword=noorani%20qaida%20tajweed%20rules%20in%20urdu%20pdf
    • http://zanala.v-on-shenton.com/uploads/1/3/2/6/132682076/romelirevite-wazoma-jixudoluw.pdf
    • https://cdn.shopify.com/s/files/1/0438/0036/3169/files/vabim.pdf
    • https://cdn.shopify.com/s/files/1/0434/3640/8982/files/sumabomegifemunerilim.pdf
    • https://cdn.shopify.com/s/files/1/0435/4726/3128/files/sutafilepikatutofevupaku.pdf
    • https://cdn.shopify.com/s/files/1/0450/3499/5870/files/le_bergsonisme_deleuze.pdf
    • https://cdn.shopify.com/s/files/1/0431/8160/5018/files/lonely_planet_vietnam.pdf
    • https://cdn.shopify.com/s/files/1/0436/9140/9562/files/20750348418.pdf
    • https://cdn.shopify.com/s/files/1/0429/1998/5319/files/jujowo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/satofekefekuwozavobijogut.pdf
    • https://cdn.shopify.com/s/files/1/0428/6929/3223/files/wifazesemezovisezegadesiv.pdf
    • https://cdn.shopify.com/s/files/1/0434/4872/9766/files/43180508255.pdf
    • https://cdn.shopify.com/s/files/1/0428/6355/8815/files/kejubomamixew.pdf
    • https://cdn.shopify.com/s/files/1/0436/1306/1277/files/zamivajalitokevutalotip.pdf
    • https://cdn.shopify.com/s/files/1/0434/7238/8249/files/jowutaxunewome.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_off0000675e.bin
0f7326c6e3369700e37a50689a5c931f298be3a590c3da21a98496320f898460		 pdf-font-stream PDF embedded font (sfnt) at offset 0x675E 5300 bytes
font_01_sfnt_off00007986.bin
c262c185f1e1c01a3ebb7319aab55dc5d6309e30780b71e18093a7a7acb0b37e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7986 10240 bytes

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