PDF malware analysis — malicious · 4cedbcff5bec43b4

MALICIOUS

PDF

39.8 KB Created: 2020-08-07 16:10:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9679a0a553ff4d0387d1f2ca3b985e61 SHA-1: b9da376314f55441370da7b99e06794ab285d0cf SHA-256: 4cedbcff5bec43b4af82f93a37e16206a7f955cc79db723e2eea334a6fc0bbe8

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm designed to appear as free downloads, but the primary link redirects to known malicious infrastructure. The document body, though heavily obfuscated, contains the same lure text and the malicious URL. This indicates a social engineering attack aiming to redirect users to a malicious site.

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/wb?keyword=principles%20of%20management%20by%20tn%20chhabra%20pdf%20free%20download
- http://files.livelearnsurvive.org/uploads/1/3/1/6/131637190/dd220df1b7.pdf
- http://files.bakedbyalice.co.uk/uploads/1/3/0/7/130740012/gigevogoj.pdf
- http://files.tidyfairyla.com/uploads/1/3/2/6/132681665/dd006.pdf
- http://files.awardsdayton.com/uploads/1/3/2/7/132712373/7032474.pdf
- https://cdn.shopify.com/s/files/1/0428/5726/7359/files/68179251289.pdf
- https://cdn.shopify.com/s/files/1/0449/5890/8584/files/melissa_and_joey_season_1.pdf
- https://cdn.shopify.com/s/files/1/0427/5326/1724/files/funoxirolemikojuzokipob.pdf
- https://cdn.shopify.com/s/files/1/0434/1910/7480/files/26791487798.pdf
- https://cdn.shopify.com/s/files/1/0437/0923/5353/files/99415167520.pdf
- https://cdn.shopify.com/s/files/1/0438/5128/4642/files/tabasolofumuv.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/49091229035.pdf
- https://cdn.shopify.com/s/files/1/0433/3735/1323/files/xataxiredeboke.pdf
- https://cdn.shopify.com/s/files/1/0431/9654/7230/files/77740219563.pdf
- https://cdn.shopify.com/s/files/1/0434/3801/4616/files/algebra_textbook_of_10_std.pdf
- https://cdn.shopify.com/s/files/1/0432/9265/5780/files/28823647978.pdf
- https://cdn.shopify.com/s/files/1/0437/4337/9617/files/astm_a536_standard.pdf
- https://cdn.shopify.com/s/files/1/0433/5586/5242/files/4162044296.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000046eb.bin` `45e93f320cc0956864ff6290e10306b6f7bb5c4994fcff197686ac14e93703cb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x46EB	5904 bytes
`font_01_sfnt_off00005ae3.bin` `28ca19229b4d616c860f2c94037dee5fed24858987c411f18bf426d64114f8f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5AE3	9640 bytes
`font_02_sfnt_off00007c43.bin` `ebd2804bff382343e08f6a42dc45f69f4e794c08b23908ae60ba78ededae74b1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C43	16164 bytes

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