Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6b67173ff3d48c1…

MALICIOUS

PDF

41.4 KB Created: 2020-08-14 07:09:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 84cf554a8a62233eeeacdea83979b9e0 SHA-1: fd0f04816ba9d6ae11e3cf3fe2237eabd9bc9ee7 SHA-256: e6b67173ff3d48c1bd597d223f2c3c500e900e9d4be7d5489554685f07e6f19a
120 Risk Score

Malware Insights

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

The PDF document contains a prominent link disguised as a lure for 'Airtel tv apk for fire tv'. This link, https://ttraff.cc/pify?keyword=airtel+tv+apk+for+fire+tv, redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document also exhibits characteristics of a link farm, with numerous external PDF links, suggesting an attempt to manipulate search engine results or distribute further malicious 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.cc/pify?keyword=airtel+tv+apk+for+fire+tv
    • http://files.spiritfireretreatcenter.com/uploads/1/3/1/4/131407278/cc79db5c05958.pdf
    • http://guxoze.filthmirror.com/uploads/1/3/1/0/131071164/kozekoremawumij_sozurunodim_mipugaweb.pdf
    • http://files.sdreece.com/uploads/1/3/1/4/131406403/9993925.pdf
    • https://cdn.shopify.com/s/files/1/0435/5643/8165/files/20930484640.pdf
    • https://cdn.shopify.com/s/files/1/0437/1188/9562/files/lactinex_chewable_tablets_drug_information.pdf
    • https://cdn.shopify.com/s/files/1/0437/1991/7720/files/tulinifineveru.pdf
    • https://cdn.shopify.com/s/files/1/0431/2806/2109/files/mcintyre_quantum_solutions.pdf
    • https://cdn.shopify.com/s/files/1/0428/3380/5471/files/zojejexibobomad.pdf
    • https://cdn.shopify.com/s/files/1/0435/5565/1743/files/risipuxu.pdf
    • https://cdn.shopify.com/s/files/1/0438/4754/9088/files/57993311330.pdf
    • https://cdn.shopify.com/s/files/1/0438/3621/1357/files/60269341903.pdf
    • https://cdn.shopify.com/s/files/1/0436/1325/7885/files/lupugifagijiwavekavi.pdf
    • https://cdn.shopify.com/s/files/1/0433/8044/1238/files/bahaya_asap_rokok.pdf
    • https://cdn.shopify.com/s/files/1/0432/1142/3902/files/xelekovoligakixowevajo.pdf
    • https://cdn.shopify.com/s/files/1/0428/8220/3811/files/judofitisuxelalate.pdf
    • https://cdn.shopify.com/s/files/1/0449/7837/2766/files/kit_fisto_lightsaber.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_off00006591.bin
226b45af50725096fed0b010d98aa42450b8734cc083b08b2207fc61790c81a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6591 4828 bytes
font_01_sfnt_off00007619.bin
a14d4fa5543f97eaef8ca3e6b78ac33935e9987467c77b56d9ae1585580613fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7619 10204 bytes

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