PDF malware analysis — malicious · fa650e89555a8dfa

MALICIOUS

PDF

46.6 KB Created: 2020-08-07 19:50:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 013aa12ac09fdf9da866de680cba99c2 SHA-1: de611a351ecd8da3153c9c078a83f12c2b68f40d SHA-256: fa650e89555a8dfac72da0ca04323cf1e440c25fce30ff0939389b67049437e1

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector at 'https://ttraff.com/pify?keyword=air+waybill+form+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to a malicious site. The presence of a link farm and the ML classifier's high confidence further support the malicious nature of this document.

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=air+waybill+form+pdf
- http://gomoxi.fikarisart.com/uploads/1/3/1/3/131379803/7336124.pdf
- http://files.thebellevie.com/uploads/1/3/2/6/132682210/lerej.pdf
- http://bijaj.arjopatienthandling.com/uploads/1/3/0/8/130813528/8170454.pdf
- http://motapakew.30westfitandrec.com/uploads/1/3/0/7/130740141/68843.pdf
- http://files.millrdcommunityspace.ca/uploads/1/3/0/7/130775402/jimig.pdf
- https://cdn.shopify.com/s/files/1/0433/7532/9441/files/canal_5_m3u8.pdf
- https://cdn.shopify.com/s/files/1/0440/6280/2070/files/joliseminumokilo.pdf
- https://cdn.shopify.com/s/files/1/0436/4815/5806/files/34575675581.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovaje.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tedix.pdf
- https://cdn.shopify.com/s/files/1/0432/4163/5997/files/69553240183.pdf
- https://cdn.shopify.com/s/files/1/0431/8956/7650/files/77870848856.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9385/files/zobagimavazu.pdf
- https://cdn.shopify.com/s/files/1/0431/0509/1745/files/84058024275.pdf
- https://cdn.shopify.com/s/files/1/0433/3420/5590/files/under_the_radar_magazine.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98774508290.pdf
- https://cdn.shopify.com/s/files/1/0431/0961/3725/files/55807398822.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_off00006da1.bin` `2e090c3dc98e7608abb99d034b9df165326af4c3f73fb946fb959ca5d9db3b21`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6DA1	4816 bytes
`font_01_sfnt_off00007dff.bin` `5bf07983419f43ebba1f1d2b0be79fc5353f90ae5a686413f3e9992a7685006a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DFF	9852 bytes
`font_02_sfnt_off00009fa3.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9FA3	4324 bytes

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