PDF malware analysis — malicious · f59140da69dc715c

MALICIOUS

PDF

57.0 KB Created: 2020-08-29 17:20:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4f518044dc2acac5bf90ecd06406660f SHA-1: f138e84ded8ef9375f875fcab7140c925ff2eefc SHA-256: f59140da69dc715c19d544877746438ac04a67fa900db92868a371a524bfb164

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though partially corrupted, contains text related to 'Clash of Clans trophy base th7' and the malicious URL, suggesting a lure to trick users into clicking the link. The primary malicious IOC is the redirector URL.

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.com/wix?keyword=clash+of+clans+trophy+base+th7
- https://cdn.shopify.com/s/files/1/0435/6512/1699/files/numpy_normalize_columns.pdf
- https://cdn.shopify.com/s/files/1/0431/3215/8116/files/complex_sentence_examples.pdf
- https://cdn.shopify.com/s/files/1/0431/6217/3602/files/nejukapona.pdf
- https://cdn.shopify.com/s/files/1/0431/8144/1181/files/79894326044.pdf
- https://cdn.shopify.com/s/files/1/0432/3164/1767/files/mechanical_engineering_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0454/1788/9960/files/difference_between_bookkeeping_and_accounting.pdf
- https://static.usrfiles.com/ugd/b8c837_1a36d9949354433ca8684a5763695c9d.pdf
- https://static.usrfiles.com/ugd/b8c837_24f40ae37c9043b6b7bc1a45d3cb2a28.pdf
- https://static.usrfiles.com/ugd/b8c837_9ab8d2e2da394f6191214d53b1402e32.pdf
- https://static.usrfiles.com/ugd/b8c837_f460c9235b2246f995834e964e809b1e.pdf
- https://static.usrfiles.com/ugd/b8c837_681f2cc7fc5c4ddc8bff164975e67588.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 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007319.bin` `b96995c622d51eedd2d3b5572b971d037caebccba2b7cd824fe82931b1380cfd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7319	5188 bytes
`font_01_sfnt_off000084b6.bin` `cb3aa92f4f715c81176c8173220b55f287c178aa4535fc4369ae2ac7a95f694b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84B6	2492 bytes
`font_02_sfnt_off00008f76.bin` `59c474742a83895f2b0716325a46e678194fe4e0b45eca7cc142245818d84c17`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F76	10412 bytes
`font_03_sfnt_off0000b34c.bin` `e1fcaa290bc8b5aed85f312864440120c61db6abd2add9737883d56687aaee62`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB34C	16232 bytes
`font_04_sfnt_off0000c869.bin` `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC869	4324 bytes

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