PDF malware analysis — malicious · a41a9452902723ca

MALICIOUS

PDF

57.4 KB Created: 2020-08-18 15:05:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8a1ba1dcd684ae11b299f4ecc3c544b1 SHA-1: 1e97617c7c014f07b607669144f1649db49fb8cf SHA-256: a41a9452902723ca51a82ba4e45864b77af2c89bf16f96346419cbe83c3ee1a9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, many pointing to Shopify-hosted PDF files, a technique often used for SEO poisoning or to host malicious content. One of the embedded URLs, https://ttraff.cc/pify?keyword=azhagendra+sollukku+muruga+song, is identified as a known malicious redirector. This suggests the document's primary purpose is to lure users to malicious infrastructure, likely for further exploitation or phishing.

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=azhagendra+sollukku+muruga+song
- http://pokofa.ryanchiropracticclinic.com/uploads/1/3/2/8/132815002/vapofefizon.pdf
- https://cdn.shopify.com/s/files/1/0432/7142/2115/files/werivavuxaxuruki.pdf
- https://cdn.shopify.com/s/files/1/0439/1141/3915/files/fotipudivonesobawuje.pdf
- https://cdn.shopify.com/s/files/1/0434/9807/8372/files/nukevufuzafugisapavitoruj.pdf
- https://cdn.shopify.com/s/files/1/0429/9846/4661/files/wofamugojazivuwo.pdf
- https://cdn.shopify.com/s/files/1/0432/6581/8789/files/35939592203.pdf
- https://cdn.shopify.com/s/files/1/0430/8425/1285/files/seziwunatidusi.pdf
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/51016102478.pdf
- https://cdn.shopify.com/s/files/1/0433/3695/8106/files/15708619248.pdf
- https://cdn.shopify.com/s/files/1/0434/4646/8769/files/miwopon.pdf
- https://cdn.shopify.com/s/files/1/0434/7658/2552/files/8925618139.pdf
- https://cdn.shopify.com/s/files/1/0431/6577/8076/files/esl_154_practice_test.pdf
- https://cdn.shopify.com/s/files/1/0437/1821/3797/files/ponunigep.pdf
- https://cdn.shopify.com/s/files/1/0440/7017/4870/files/baringo_county_bursary_form.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000071c7.bin` `e354f2bb646cd199865ab89ca673bb81758c9050f57c9a1997a32cd8598e1f3d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x71C7	5344 bytes
`font_01_sfnt_off000083c3.bin` `32681ced09192d5465fdfc8d5efb0b411cf56aa5fd603ca743b55f29edcc0594`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83C3	4692 bytes
`font_02_sfnt_off00009402.bin` `d0966eb2581594400d6129fd245d04bbd9f0abec4e35634f229827feceef90f1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9402	15072 bytes
`font_03_sfnt_off0000c2be.bin` `532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC2BE	16204 bytes

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