PDF malware analysis — malicious · 208773b27df634a5

MALICIOUS

PDF

37.2 KB Created: 2020-09-01 01:57:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4eb77e19e01f8759da8fd201f4b52248 SHA-1: 8c8593393e916e0eb5acf97bb685e2f5aed658b8 SHA-256: 208773b27df634a539492f44227802c7f8ebfa72c2a0cc716b45f3312b04791b

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a mass external link farm, with many links pointing to benign Shopify URLs, but one critical link to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains the same malicious URL. This suggests the primary purpose is to redirect the user to a malicious site, likely for phishing or malware delivery.

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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/wix?keyword=andhra+jyothi+news+paper+free
- https://static.usrfiles.com/ugd/39cb9d_6cabf8b4ed4b42978ea4ea294a5f9459.pdf
- https://static.usrfiles.com/ugd/2f3ac6_db06d62721de40e3864387c9200f2be6.pdf
- https://static.usrfiles.com/ugd/9ff9b8_18ede5e38fe442c38f1105effa5726c9.pdf
- https://static.usrfiles.com/ugd/9edd50_06deb883ed0840c7ae0864fcb3c770e3.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.pdf
- https://cdn.shopify.com/s/files/1/0428/1358/7623/files/42491929460.pdf
- https://cdn.shopify.com/s/files/1/0427/8052/4710/files/36550526544.pdf
- https://cdn.shopify.com/s/files/1/0451/7868/3541/files/homogeneous_differential_equation_problems_and_solutions.pdf
- https://cdn.shopify.com/s/files/1/0433/5747/0872/files/27168361768.pdf
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/64405604879.pdf
- https://cdn.shopify.com/s/files/1/0432/1925/5454/files/agriculture_biologique_en_afrique.pdf
- https://static.usrfiles.com/ugd/b8c837_f7ff80c11ae94b4089f18f942b4414f5.pdf
- https://static.usrfiles.com/ugd/57c819_db1e3e892a484827b047a4a7216ee396.pdf
- https://static.usrfiles.com/ugd/74a852_410b6d3e3974461f8d5005a096d08c97.pdf
- https://static.usrfiles.com/ugd/0f5b72_6b71b776dc68494192518df6935155f4.pdf
- https://static.usrfiles.com/ugd/3aee12_9f1af859ee3c4e0a9d2ee54918b0fc45.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_off000053f9.bin` `12b0a61e5c28fbe5e3d348777cb5a373301b83fa7a8c49e574f476198210b016`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x53F9	5356 bytes
`font_01_sfnt_off00006644.bin` `8ca808e1e97e2437c47df027bcce1c6934603a7a621a2158d5d33f709a8bfb3c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6644	9900 bytes

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