PDF malware analysis — malicious · 94c8eb265ed86904

MALICIOUS

PDF

45.8 KB Created: 2020-07-15 21:33:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6a6ccf9b110a8e890ab7b5cab4963bb3 SHA-1: b6761ba6a7f9ada930ba11ab6d5c9fe49a165d73 SHA-256: 94c8eb265ed869040d44fafad28e6741ec99dae8668eb82a427b43f707d021ab

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, designed to obscure the ultimate destination. One critical heuristic indicates a direct link to a known malicious redirector at ttraff.com. The document body, though partially corrupted, suggests a lure related to merging PDF files, which is a common tactic to trick users into clicking malicious 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/wb?keyword=menggabungkan%20beberapa%20file%20pdf%20jadi%201
- http://files.stmonicasparish.com.au/uploads/1/3/0/7/130739462/kizusiditon.pdf
- http://files.linkuniforms.com/uploads/1/3/0/7/130738814/vozuxudezab_jamufipokojal.pdf
- http://files.lotusdirect.co.uk/uploads/1/3/1/4/131407565/ef8dd74ff3c.pdf
- https://cdn.shopify.com/s/files/1/0432/0644/3163/files/nutotuvuruxutorevufe.pdf
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/84122074114.pdf
- https://cdn.shopify.com/s/files/1/0428/3429/6988/files/kotaweveximiga.pdf
- https://xujonajodezo.files.wordpress.com/2020/06/59162880703.pdf
- https://miteduxom.files.wordpress.com/2020/06/7730527699.pdf
- https://sazexaki.files.wordpress.com/2020/06/38252963032.pdf
- https://tizakifu.files.wordpress.com/2020/06/51917856433.pdf
- https://talugunika.files.wordpress.com/2020/06/barafeseveboxapawunasa.pdf
- https://cdn.shopify.com/s/files/1/0431/7220/0608/files/tapirabidex.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasodidupafulad.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73881495537.pdf
- https://cdn.shopify.com/s/files/1/0429/2752/1948/files/41016092747.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81603963226.pdf
- https://cdn.shopify.com/s/files/1/0427/8072/1311/files/29098664148.pdf
- https://cdn.shopify.com/s/files/1/0430/9526/1333/files/59617133212.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/
- https://miteduxom.files.wordpress.com/2020/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000077b9.bin` `6284408ad3345efb98dcc60428fb1f5a567ea780586af3708896ab562fb2b5ff`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77B9	5060 bytes
`font_01_sfnt_off000088fe.bin` `75a3262806c5d57f531592571e7c1be9cbd95636ba6713b6eead7447c61b0efa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88FE	9748 bytes

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