PDF malware analysis — malicious · 860b59f2d98cd434

MALICIOUS

PDF

39.8 KB Created: 2020-08-03 03:15:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 60418b33f6b411ae26c9ed62a0885028 SHA-1: 9ba2a5a7913148a8f069c3c9e44fb07c620d58a7 SHA-256: 860b59f2d98cd434b337e1a2aa48807f3bbb4bed4db96785e4500497543f7327

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, a common technique for SEO poisoning and redirecting users to malicious sites. One prominent link, 'https://ttraff.ru/pify?keyword=matisyahu+one+day+lyrics', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to trick users into clicking through to potentially harmful content. The presence of many Shopify-hosted PDF links indicates a link farm strategy to improve search engine ranking for 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.ru/pify?keyword=matisyahu+one+day+lyrics
- http://files.elinfinito.org/uploads/1/3/2/3/132302960/pakaxit_wisofidalofos_kozife.pdf
- http://jexiwa.konajoanna.com/uploads/1/3/1/4/131453674/6339169.pdf
- http://files.sushiokavail.net/uploads/1/3/1/4/131455956/8448304.pdf
- http://files.cdldailychallenge.com/uploads/1/3/1/1/131164239/dasosikifufom.pdf
- https://cdn.shopify.com/s/files/1/0433/0097/8853/files/zepasuvami.pdf
- https://cdn.shopify.com/s/files/1/0435/8651/9195/files/57635107426.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89120683065.pdf
- https://cdn.shopify.com/s/files/1/0432/7302/7749/files/wodilekilerevonibige.pdf
- https://cdn.shopify.com/s/files/1/0428/2250/0518/files/76218652505.pdf
- https://cdn.shopify.com/s/files/1/0436/4628/8025/files/lamutog.pdf
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/novix.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/66931186091.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xakikalimakimoxe.pdf
- https://cdn.shopify.com/s/files/1/0429/7539/5993/files/bootstrap_table_css.pdf
- https://cdn.shopify.com/s/files/1/0431/3851/5095/files/38451192068.pdf
- https://cdn.shopify.com/s/files/1/0431/5542/3396/files/39992791093.pdf
- https://cdn.shopify.com/s/files/1/0430/0088/9507/files/gojukazotokakanafejapafo.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00005ecf.bin` `5df8a0edfc75a16151a48aab6148679c9e0997ec9be7a2f60777fcf6a4c125b9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5ECF	5136 bytes
`font_01_sfnt_off0000704d.bin` `ff305bc6315ced888f1e11e8beb4b23140230be0305523be1b1a508e70fb2160`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x704D	10024 bytes

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