Malicious PDF — malware analysis report

Static analysis result for SHA-256 297736a6501592cd…

MALICIOUS

PDF

38.3 KB Created: 2020-08-05 12:30:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3b0c4d3945a934e30395772f80a82d63 SHA-1: 889089d083a2982c5f241a4d78049112689a36db SHA-256: 297736a6501592cd110d74fb4804571d4c478d5e0020fa3637b803b17c04e788
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector. The document body, though partially corrupted, contains text related to downloading a PDF, reinforcing the lure. The primary malicious URL is 'https://ttraff.cc/pify?keyword=muslim+boy+names+in+urdu+pdf+free+download', which likely serves as a gateway to 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=muslim+boy+names+in+urdu+pdf+free+download
    • http://files.westvalleyfamilies.com/uploads/1/3/1/4/131437987/084ef8b254.pdf
    • http://files.m.torontoflowergallery.com/uploads/1/3/1/3/131379085/tezasanunet.pdf
    • http://files.capehomerepair.com/uploads/1/3/0/8/130873893/e37863f5d6addc8.pdf
    • http://files.starboycreations.com/uploads/1/3/0/7/130739945/eb8d51.pdf
    • http://files.kruegervp.com/uploads/1/3/0/7/130739782/dutejafatudut_lagusozus_buxiga.pdf
    • https://cdn.shopify.com/s/files/1/0432/6280/4136/files/tudemujatepetuvivaz.pdf
    • https://cdn.shopify.com/s/files/1/0437/0936/6427/files/50305394798.pdf
    • https://cdn.shopify.com/s/files/1/0434/5135/1200/files/zerigubimazoz.pdf
    • https://cdn.shopify.com/s/files/1/0430/5394/0887/files/jazekapomepusixuxa.pdf
    • https://cdn.shopify.com/s/files/1/0429/1425/0905/files/55978516775.pdf
    • https://cdn.shopify.com/s/files/1/0436/2534/9273/files/surah_al_rahman_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/9177/8965/files/lufafulafonelufo.pdf
    • https://cdn.shopify.com/s/files/1/0430/0885/2117/files/69651888143.pdf
    • https://cdn.shopify.com/s/files/1/0428/5097/5910/files/32733729529.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91146339154.pdf
    • https://cdn.shopify.com/s/files/1/0434/3509/8264/files/pizutizuzalu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94766401197.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_off000056fa.bin
1204e94e59cf8322be35ebd16f3d9467032450283b30f7888379d49cfb989d35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56FA 5524 bytes
font_01_sfnt_off000069c3.bin
008b30fb2a787770804ce558b6280124c8c8b0f61c1fa695877ec7ded474373b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69C3 10032 bytes

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