PDF malware analysis — malicious · f3c6d0f585b7c3e0

MALICIOUS

PDF

46.4 KB Created: 2020-08-14 17:11:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: cd769b3309311ea1d47e33dcc40aab04 SHA-1: 9cafc9a14d3be1ea7b447a113df9ea263c2a3005 SHA-256: f3c6d0f585b7c3e005f8353fec62b8d1b8034b89fe437e435ed295d9ce0c6994

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=band+of+brothers++kickass'. Additionally, it exhibits a PDF link farm behavior, with multiple links to shopify.com and other domains, suggesting an attempt to distribute or obscure malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern. No scripts were extracted from this sample.

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=band+of+brothers++kickass
- http://files.tadhgocuirrin.com/uploads/1/3/0/8/130814430/lefesixome.pdf
- http://vegubulin.manlyguy.net/uploads/1/3/2/8/132815367/xulopofebixax.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61066914906.pdf
- https://cdn.shopify.com/s/files/1/0434/4391/2854/files/84099655659.pdf
- https://cdn.shopify.com/s/files/1/0437/0749/8647/files/95639517401.pdf
- https://cdn.shopify.com/s/files/1/0433/5727/4270/files/frustration_aggression_theory.pdf
- https://cdn.shopify.com/s/files/1/0434/2569/3845/files/ganonifopizaderonagosevuj.pdf
- https://cdn.shopify.com/s/files/1/0431/7069/3284/files/nalam.pdf
- https://cdn.shopify.com/s/files/1/0434/9440/8357/files/62441848948.pdf
- https://cdn.shopify.com/s/files/1/0431/3333/7768/files/binosogenasigafumotuzarij.pdf
- https://cdn.shopify.com/s/files/1/0431/4788/6743/files/fugum.pdf
- https://cdn.shopify.com/s/files/1/0431/4444/6118/files/92467912663.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000061b2.bin` `752489cf64275b1041e82f4e225e7f9a598e8eef0d14c1852bde794b2c5c6ab6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61B2	5116 bytes
`font_01_sfnt_off00007301.bin` `51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7301	1800 bytes
`font_02_sfnt_off00007b8f.bin` `2b71375d2027fc80194fd715068bf3413b6786bf51c9e46351651cd2ce2a9620`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B8F	10312 bytes
`font_03_sfnt_off00009ec4.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9EC4	4324 bytes

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