PDF malware analysis — malicious · 4ac256616f812559

MALICIOUS

PDF

44.4 KB Created: 2020-08-07 15:53:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 47c0c0f19fcc09e067f373163127acf6 SHA-1: 38e528eb62763684e88e5a74e1f1f78fe9e04cd4 SHA-256: 4ac256616f812559479c95d41ab7faa78bb64519a47db7515754d13c1e104397

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains including a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the URL for the malicious redirector, suggesting the document's primary purpose is to drive traffic to malicious infrastructure. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic further confirms the malicious nature of the embedded links.

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/pify?keyword=ancient+history+class+6+old+ncert+pdf
- http://files.lovinglifeguidance.com/uploads/1/3/1/1/131163976/28c603a0.pdf
- http://files.ashleys-plate.com/uploads/1/3/1/3/131383924/5a57c1fd1447f9.pdf
- http://files.mccannsatthemeadow.com/uploads/1/3/2/6/132682754/8477390.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4885/files/perkembangan_pendidikan_islam_di_malaysia.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65817182127.pdf
- https://cdn.shopify.com/s/files/1/0432/5359/6310/files/64352637984.pdf
- https://cdn.shopify.com/s/files/1/0431/4667/4336/files/7624170436.pdf
- https://cdn.shopify.com/s/files/1/0429/7054/6329/files/92531455312.pdf
- https://cdn.shopify.com/s/files/1/0432/6011/7160/files/mhxx_brave_style.pdf
- https://cdn.shopify.com/s/files/1/0436/8482/3205/files/6879543538.pdf
- https://cdn.shopify.com/s/files/1/0434/6383/5814/files/11783509001.pdf
- https://cdn.shopify.com/s/files/1/0430/3329/7058/files/50708296688.pdf
- https://cdn.shopify.com/s/files/1/0431/7505/1424/files/dumulelenerabo.pdf
- https://cdn.shopify.com/s/files/1/0431/5496/4629/files/difeguvemuri.pdf
- https://cdn.shopify.com/s/files/1/0428/7204/5734/files/if_statement_matlab.pdf
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/meketenuwutidodikagawe.pdf
- https://cdn.shopify.com/s/files/1/0429/6428/7651/files/pdf_split_and_merge_download_2._2._4.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_off00006da3.bin` `f8c422816fb498d27d0c0a885dc63a16f537f66fa24fa8cd72963a5267ba47dd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6DA3	5488 bytes
`font_01_sfnt_off00008052.bin` `a4f0973b3842cfca810ddd4ea12a1b2274d5f6ff6fbf8331ceb9434e42cfa634`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8052	10524 bytes

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