Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a269b47b46b5db2…

MALICIOUS

PDF

44.1 KB Created: 2020-08-22 08:57:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 315165562ca5dd615ab369d19de4dfab SHA-1: bb75a85383d06127282d13891b127f70907b750c SHA-256: 9a269b47b46b5db213c6211359d554833c1e50bfca935c26087d3d63218280d4
160 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link pointing to 'ttraff.com', which is designed to lure users into downloading further payloads. The document also exhibits characteristics of a password-protected archive lure, a common method to bypass gateway security. The presence of numerous external links, many hosted on 'cdn.shopify.com', suggests a link farm used for SEO poisoning or distributing malicious content.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=adobe+media+encoder+cc+2017++windows
    • http://files.spcwaterdistrict.com/uploads/1/3/1/4/131453950/zadejirilofiwaripi.pdf
    • http://rozatosef.riveroflifemedical.org/uploads/1/3/1/3/131384714/bozaweluw.pdf
    • http://files.houstonpolopost.com/uploads/1/3/2/6/132696029/negidegakoratogok.pdf
    • http://files.thebigdropcollective.com/uploads/1/3/1/6/131636654/4874780.pdf
    • http://gekuxulo.nfbfishing.com/uploads/1/3/1/3/131384169/4338071.pdf
    • https://cdn.shopify.com/s/files/1/0433/2371/9845/files/kategepebagonidumub.pdf
    • https://cdn.shopify.com/s/files/1/0449/8879/2990/files/59970621391.pdf
    • https://cdn.shopify.com/s/files/1/0432/1535/6067/files/fluke_t5-_600.pdf
    • https://cdn.shopify.com/s/files/1/0433/5045/8520/files/airlift_performance_compressor_install.pdf
    • https://cdn.shopify.com/s/files/1/0430/9748/9572/files/lotakirekajogamu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3688/4642/files/english_words_with_persian_meaning.pdf
    • https://cdn.shopify.com/s/files/1/0438/7025/7320/files/sipugusipazireb.pdf
    • https://cdn.shopify.com/s/files/1/0433/4570/7166/files/16661239563.pdf
    • https://cdn.shopify.com/s/files/1/0431/5712/7336/files/audel_millwright_and_mechanics_guide.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_off0000616d.bin
c04d6c4500d4fe9905f073e00a6c583928a34365a7de964283e2bdac9f49d1d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x616D 5680 bytes
font_01_sfnt_off000074c4.bin
98f4c1e234c7d3b91de63eb7c7b6732b1ab0b8ca4291054feb77cab8f0947bc0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74C4 14196 bytes

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