PDF malware analysis — malicious · 441bbc4068a54015

MALICIOUS

PDF

46.6 KB Created: 2020-08-04 09:40:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3ab63fe02c7b717c99ef4d2496f2cc58 SHA-1: 48a7e2343dc2509e2ba6400d45d8361e993b6e87 SHA-256: 441bbc4068a54015ffcfce1e6c30a6b4c958863003b2a4e33f7d5ae8683c11d4

140 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link T1566.002 Spearphishing Attachment

The PDF file contains a lure instructing the user to enable editing, which is a common technique for malware delivery. It also contains a high number of embedded links, with one specifically identified as a malicious redirector. The primary malicious IOC is the redirector URL, which likely leads to further malicious content.

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.
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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.ru/pify?keyword=candy+pdf+splitter
- http://files.ourfamilyunion.com/uploads/1/3/1/4/131406717/tomidedelavik.pdf
- http://files.luxtan.lu/uploads/1/3/0/7/130775583/12ebd716.pdf
- http://files.global-migration-of-african-cuisine.com/uploads/1/3/2/6/132681880/6647935.pdf
- http://files.dibaseballschool.com/uploads/1/3/1/6/131606630/5765943.pdf
- http://files.esthermilesart.com/uploads/1/3/1/4/131438418/4815210.pdf
- https://cdn.shopify.com/s/files/1/0437/8905/8209/files/19337437679.pdf
- https://cdn.shopify.com/s/files/1/0435/5633/9871/files/xaxuneze.pdf
- https://cdn.shopify.com/s/files/1/0432/8102/3132/files/zuvuvamet.pdf
- https://cdn.shopify.com/s/files/1/0432/5743/0176/files/8443962459.pdf
- https://cdn.shopify.com/s/files/1/0434/1540/4702/files/71649670790.pdf
- https://cdn.shopify.com/s/files/1/0432/0319/9138/files/xusosu.pdf
- https://cdn.shopify.com/s/files/1/0437/0094/5048/files/pisutirawexuborir.pdf
- https://cdn.shopify.com/s/files/1/0431/9812/0094/files/53735480431.pdf
- https://cdn.shopify.com/s/files/1/0440/1060/2661/files/8987485247.pdf
- https://cdn.shopify.com/s/files/1/0432/7532/1499/files/kawepadagatujen.pdf
- https://cdn.shopify.com/s/files/1/0427/6686/0455/files/getewevan.pdf
- https://cdn.shopify.com/s/files/1/0436/0686/8126/files/99321406961.pdf
- https://cdn.shopify.com/s/files/1/0431/9733/3664/files/35448910557.pdf
- https://cdn.shopify.com/s/files/1/0429/4639/6326/files/41989992517.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_off00007943.bin` `b8ba05e0504af9500da9995764b34ae99822c10dd7556499915a60721b2c9389`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7943	5040 bytes
`font_01_sfnt_off00008a82.bin` `3ace2377058e6e8d2ac7033ce0d6807e95b5e48981b989087d122d29c884f9cf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A82	10236 bytes

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