PDF malware analysis — malicious · 1eec4e33117a9023

MALICIOUS

PDF

40.7 KB Created: 2020-08-27 13:56:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 931967a59f08ad2400d52c06288cddb3 SHA-1: f6608bc386b9040588600c9015743b2b897d04ee SHA-256: 1eec4e33117a90234ef086bad1f8fa25b3a9f97e429fb4398782d8814de6edef

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=sylenth+mac+r2r'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on shopify.com, but one critical link to ttraff.com. The document body, though heavily obfuscated, contains the same malicious URL. This suggests the document's primary purpose is to trick the user into visiting the malicious redirector, likely to download pirated software or malware.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=sylenth+mac+r2r
- http://burebaf.naacpcorvallisbranch.com/uploads/1/3/0/7/130739423/dizudifavar.pdf
- http://bazenav.myapplecrisp.com/uploads/1/3/2/7/132740214/a502b986.pdf
- https://cdn.shopify.com/s/files/1/0432/3010/1668/files/70658323677.pdf
- https://cdn.shopify.com/s/files/1/0431/1256/2849/files/lithium_ion_battery_testing_methods.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/opposite_to_emotion_action_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/dojiruguxezikakunu.pdf
- https://cdn.shopify.com/s/files/1/0439/8258/6014/files/67241670355.pdf
- https://cdn.shopify.com/s/files/1/0429/9898/8949/files/31051792605.pdf
- https://cdn.shopify.com/s/files/1/0431/2881/5783/files/xizit.pdf
- https://cdn.shopify.com/s/files/1/0434/6124/7129/files/89616009172.pdf
- https://cdn.shopify.com/s/files/1/0437/7031/4903/files/53659624313.pdf
- https://cdn.shopify.com/s/files/1/0429/8014/7359/files/lirujakusopidor.pdf
- https://cdn.shopify.com/s/files/1/0438/3460/5725/files/11755310534.pdf
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/venezuparexobipa.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_off000060ca.bin` `414e41c63793deb81b7bd91cc0e83fd14262374e57819d15da657ba2c43438d1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60CA	5200 bytes
`font_01_sfnt_off00007249.bin` `7de6392d86bb872c3d35bc412e40510cf43ae3f1c51667def5ff52c834fea43e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7249	10216 bytes

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