PDF malware analysis — malicious · 22f7ee10638e3cb8

MALICIOUS

PDF

42.4 KB Created: 2020-09-02 13:27:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 1df34b081602c38bb5208bb6bde7877a SHA-1: 650e51b0e21f84ba2f7d781aada1f878da5d0dd6 SHA-256: 22f7ee10638e3cb826ce1ac892d738012b824737e7ab551f45528e18ca2dd336

130 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a heuristic firing for a malicious redirector link, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains text related to 'Android phones 2019 pay as you go' and includes the malicious URL. The presence of a link farm heuristic further suggests an attempt to distribute malicious content. The file is likely a lure to redirect users to malicious infrastructure.

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.
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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/wix?keyword=android+phones+2019+pay+as+you+go
- https://cdn.shopify.com/s/files/1/0432/6601/5400/files/ratatouille_full_movie_online_free.pdf
- https://cdn.shopify.com/s/files/1/0454/4672/5790/files/angularjs_6_interview_questions.pdf
- https://cdn.shopify.com/s/files/1/0430/6078/9409/files/nejox.pdf
- https://cdn.shopify.com/s/files/1/0440/0755/5222/files/45185294209.pdf
- https://cdn.shopify.com/s/files/1/0435/6639/9647/files/lisonetixawejonegudexexe.pdf
- https://cdn.shopify.com/s/files/1/0430/8484/1124/files/bolejamitezidatewemen.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/centurylink_my_account.pdf
- https://static.usrfiles.com/ugd/a64c8c_7b61379314c14c0fad54ee5f1f1d0aa2.pdf
- https://static.usrfiles.com/ugd/5af86b_5f925bfdccff48c4a53839bde4c6d724.pdf
- https://static.usrfiles.com/ugd/a4e402_4ee57aec0d2e4a2796e8278e7b75456a.pdf
- https://static.usrfiles.com/ugd/de65f7_34814280389a4c56ad6d4ef3e45c928f.pdf
- https://static.usrfiles.com/ugd/37987b_17c3043390134ad4835560fbbd3d2e5d.pdf
- https://static.usrfiles.com/ugd/80bfa9_c2f403a0f63d4951aba54a98635d8d6f.pdf
- https://static.usrfiles.com/ugd/e4a001_9e65eaf9a39c46e9b58fe9ebfb2620e2.pdf
- https://static.usrfiles.com/ugd/dc98cc_a4a725944ed243609ebcb16385d1294a.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_off00006592.bin` `0ccd73e793a1beebfcd2cbbf88e17f01dfd200d70aa6fd8036fb483162807aee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6592	5764 bytes
`font_01_sfnt_off00007937.bin` `48c22d66d5910583dc1aa4f35e02859153fb0213a07633299456484960a6f4bf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7937	10488 bytes

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