PDF malware analysis — malicious · ff3e6084ff68c2b2

MALICIOUS

PDF

44.2 KB Created: 2020-07-31 03:34:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9fac7fb1a4ba6a952e7dee858ce607a9 SHA-1: 18d8558499e3365e894ec733fa0e65580ae14048 SHA-256: ff3e6084ff68c2b28700b5b4486b4ae2cb231bd21d1f63f1fd1a191d1df1dd0f

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to 'couper un pdf sur iphone' and mentions wkhtmltopdf, suggesting a lure. The primary malicious IOC is the ttraff.com redirector URL, which is likely used to funnel users to further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=couper+un+pdf+sur+iphone
- http://files.albanynybellydancerayperializarin.com/uploads/1/3/1/8/131856186/tuvuna-fatiwazoluzuze-fubugunulise.pdf
- http://files.lukasz-drozd.com/uploads/1/3/0/9/130969448/8871724.pdf
- http://files.rsdliteracytools.com/uploads/1/3/1/3/131381720/9183273.pdf
- http://files.kingslynnchristadelphians.org.uk/uploads/1/3/0/9/130969053/4809483.pdf
- http://files.uraide.nl/uploads/1/3/1/8/131871614/1755960.pdf
- http://files.kingslynnchristadelphians.org.uk/uploads/1/3/0/9/130
- https://cdn.shopify.com/s/files/1/0432/2610/3971/files/sonojamotobe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49186839350.pdf
- https://cdn.shopify.com/s/files/1/0428/2925/0719/files/20369254619.pdf
- https://cdn.shopify.com/s/files/1/0437/6117/2631/files/55922368357.pdf
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/66466004431.pdf
- https://cdn.shopify.com/s/files/1/0431/0391/2098/files/netok.pdf
- https://cdn.shopify.com/s/files/1/0437/8460/1752/files/dufesazukukanewu.pdf
- https://cdn.shopify.com/s/files/1/0430/5911/8229/files/rumijotewuvunefet.pdf
- https://cdn.shopify.com/s/files/1/0429/3866/3079/files/zuwoferapurajaxetivopa.pdf
- https://cdn.shopify.com/s/files/1/0428/8295/7478/files/vamodilaju.pdf
- https://cdn.shopify.com/s/files/1/0428/2921/7958/files/47612032720.pdf
- https://cdn.shopify.com/s/files/1/0434/5973/9814/files/17070967133.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_off00006c7d.bin` `8889aeb140d661aff6e49e2da12257d290cec4975695fb328ff89c2d476e07a0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C7D	4712 bytes
`font_01_sfnt_off00007c78.bin` `de7060a74ab6a35a194f88eac08621ccea64b34b7d559bc538beafce93cb307e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C78	11680 bytes

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