PDF malware analysis — malicious · a4bb979c6bb1dc54

MALICIOUS

PDF

66.5 KB Created: 2020-08-02 13:21:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4be8f719cbed0542bfd0e61f9b04922e SHA-1: fe1cf5d3266df4fbf92a1880b5ff322739519213 SHA-256: a4bb979c6bb1dc54575cbf6765f81272991e79798de43c943caa8ed5b70521b9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=golden+sun+guide'. Additionally, it exhibits characteristics of a link farm, with numerous external PDF links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL, suggesting a lure for users to click through to potentially 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.com/pify?keyword=golden+sun+guide
- http://files.michaeldepore.com/uploads/1/3/1/8/131856158/a99514a2e609.pdf
- http://files.kwbjj.com/uploads/1/3/1/1/131164239/f941d40f93.pdf
- http://files.bakedbyromanos.co.uk/uploads/1/3/1/4/131406390/b4204a97.pdf
- http://files.growingmindsfarm.org/uploads/1/3/1/3/131379874/3246968.pdf
- http://files.childrenscauseoc.org/uploads/1/3/1/4/131408970/bd4224e9.pdf
- https://cdn.shopify.com/s/files/1/0435/3405/7621/files/78111826431.pdf
- https://cdn.shopify.com/s/files/1/0429/6287/8618/files/memorex_cd_label_template.pdf
- https://cdn.shopify.com/s/files/1/0432/7093/0600/files/13152440972.pdf
- https://cdn.shopify.com/s/files/1/0432/3488/5796/files/bekuniwamovo.pdf
- https://cdn.shopify.com/s/files/1/0440/6041/0021/files/javizowuxozikoroxitigoli.pdf
- https://cdn.shopify.com/s/files/1/0431/7036/5589/files/30319181900.pdf
- https://cdn.shopify.com/s/files/1/0434/8634/7414/files/xebex.pdf
- https://cdn.shopify.com/s/files/1/0434/4253/6598/files/70737538349.pdf
- https://cdn.shopify.com/s/files/1/0429/2391/7475/files/95627646211.pdf
- https://cdn.shopify.com/s/files/1/0433/2571/8678/files/29853830092.pdf
- https://cdn.shopify.com/s/files/1/0437/5917/3790/files/49698592615.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/doragewotupepefe.pdf
- https://cdn.shopify.com/s/files/1/0431/3117/5063/files/lalidukuz.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://cdn.shopify.com/s/files/1/0432/7093/0600/files/13152440972.p

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c835.bin` `eb498d2e19d34d654bc784874683b5dd46409604a70d15956af55a7638b590a7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC835	4720 bytes
`font_01_sfnt_off0000d85a.bin` `d5d958ef6387b7c21d1bc21108bff8d41a5d5617ae6d26540965ebfabdaff0ed`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD85A	10228 bytes

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