PDF malware analysis — malicious · 9c240348ed52ae27

MALICIOUS

PDF

44.1 KB Created: 2020-08-11 20:18:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bcf8c068162f08573e1260c62eda17d1 SHA-1: 034b5788b7fadac64f724a125e06d21048609f02 SHA-256: 9c240348ed52ae2776bddadc496931a065fa9371fe5c778f28becdcc577ce9d7

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a citizenship application form. This redirector likely leads to further malicious content or exploits. The PDF also contains a large number of external links, many hosted on Shopify, which is characteristic of SEO link farm abuse to obscure malicious destinations. 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.com/pify?keyword=citizenship+application+form+pdf
- http://files.ratcotu.org/uploads/1/3/0/9/130969754/zugedirenu.pdf
- http://files.haymountrehab.com/uploads/1/3/1/4/131453989/fa3edfd3b3ff1.pdf
- http://files.esibstudentsfront.com/uploads/1/3/1/4/131482919/niwasovuv_mafub_legokulavagid.pdf
- https://cdn.shopify.com/s/files/1/0440/7610/5893/files/30261212961.pdf
- https://cdn.shopify.com/s/files/1/0436/0847/3763/files/abscesso_cutaneo_tratamento.pdf
- https://cdn.shopify.com/s/files/1/0433/5930/5877/files/rejoxitowigiwitiz.pdf
- https://cdn.shopify.com/s/files/1/0435/0381/2773/files/vibotelazeto.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65431134640.pdf
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/87858260215.pdf
- https://cdn.shopify.com/s/files/1/0430/5348/2138/files/wogalobiwarowujusege.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93236297381.pdf
- https://cdn.shopify.com/s/files/1/0437/9059/8305/files/pawugiputezokoso.pdf
- https://cdn.shopify.com/s/files/1/0428/4334/0956/files/58001340890.pdf
- https://cdn.shopify.com/s/files/1/0431/5093/4173/files/36553477823.pdf
- https://cdn.shopify.com/s/files/1/0437/7070/8125/files/12523347390.pdf
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/jagavakagomizusaxoxufaro.pdf
- https://cdn.shopify.com/s/files/1/0438/2546/3456/files/92729886872.pdf
- https://www.irishimmigration.ie/ci
- 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_off00006cdc.bin` `1783faeb7a6d8af896c87626958bf4e6bd27feb491a38e2a760aff649c715cfb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6CDC	5352 bytes
`font_01_sfnt_off00007ede.bin` `8afa4f8b55abd190be25fb1eb67ad825c4d0336c13859582d4a1350d521eb6f1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EDE	10748 bytes

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