PDF malware analysis — malicious · a0f77a18197962fd

MALICIOUS

PDF

51.8 KB Created: 2020-08-04 17:41:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c0728168c073358788d511658279dd27 SHA-1: 2f9c9e9b313b7e747e680e35429a5b69cdf6a6ee SHA-256: a0f77a18197962fd725a49823a7f061abecb0485abe33ff4c387bd86f05ef4a8

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a mass of external links, including a critical redirector link to 'ttraff.cc'. This indicates the document is designed to lead users to malicious infrastructure, likely for phishing or malware distribution. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted from this sample.

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.cc/pify?keyword=appraisal+theory+pdf
- http://files.hickmanfootball.com/uploads/1/3/0/7/130776788/kamubumul-dobozokowobiz.pdf
- http://files.salon225.com/uploads/1/3/1/3/131383645/9b0fe51066.pdf
- http://files.debndaveswedding.com/uploads/1/3/1/6/131637606/mujasoteberodojefi.pdf
- http://files.thebyrdfeedermeals.com/uploads/1/3/0/9/130969026/8018287.pdf
- http://files.jomehndi.com/uploads/1/3/1/6/131606465/365c31d885.pdf
- https://cdn.shopify.com/s/files/1/0431/8694/6206/files/48838117469.pdf
- https://cdn.shopify.com/s/files/1/0435/9431/7981/files/36790836742.pdf
- https://cdn.shopify.com/s/files/1/0432/8849/4236/files/wovidirefalize.pdf
- https://cdn.shopify.com/s/files/1/0431/7102/0954/files/xekumufesaroxe.pdf
- https://cdn.shopify.com/s/files/1/0432/7938/4744/files/90465881779.pdf
- https://cdn.shopify.com/s/files/1/0433/0831/8878/files/lowes_brooksville_fl.pdf
- https://cdn.shopify.com/s/files/1/0429/8607/8369/files/xerelidugigagutigajusug.pdf
- https://cdn.shopify.com/s/files/1/0437/9734/8514/files/63579130900.pdf
- https://cdn.shopify.com/s/files/1/0432/8580/7268/files/noteratuloniganofubovujot.pdf
- https://cdn.shopify.com/s/files/1/0434/7923/6773/files/wanaruresifejaxegedifonon.pdf
- https://cdn.shopify.com/s/files/1/0438/9715/9832/files/pupajoba.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3902/files/moluzesivazazozub.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008141.bin` `6024fb7cfc10408063172588699b69833cee6ded65bcf7c2d0cec4e7d27e0253`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8141	4904 bytes
`font_01_sfnt_off00009200.bin` `face1c40173717788cab0db8a9cc42c200daa8e6386b249d337299e381b66355`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9200	10060 bytes
`font_02_sfnt_off0000b433.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB433	4324 bytes

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