PDF malware analysis — malicious · ab9bee90a733a5d5

MALICIOUS

PDF

81.9 KB Created: 2020-09-07 15:24:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b4ebb342f1cfe7bfd3de8b04f643d62d SHA-1: b485ed44240874aecaa4de839b964e170a7e808d SHA-256: ab9bee90a733a5d533abf3644342a9f67524f78d5cb15ccd3e7aaf052ce27c6a

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link to a malicious redirector, ttraff.com, which is likely part of a phishing or malware distribution chain. The document also includes a heuristic indicating it's a password-protected archive lure, suggesting the user is expected to download and decrypt a subsequent payload. The embedded link to ttraff.com is the primary indicator of malicious intent, likely serving as a gateway to further malicious content.

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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=annamayya+songs++masstamilan
- https://static.usrfiles.com/ugd/10b11f_60377ce89c574926962fcf1914291a8a.pdf
- https://static.usrfiles.com/ugd/6da380_540ffcc06ec442f6a5e34d2a23934ae4.pdf
- https://static.usrfiles.com/ugd/55cc32_bc009d58461f42aa8e0144e855c3418f.pdf
- https://static.usrfiles.com/ugd/34e21e_056457dab11f4578ab1d1b810791de50.pdf
- https://static.usrfiles.com/ugd/6350c7_a8438d8ff9794d9fa84329149d54412f.pdf
- https://static.usrfiles.com/ugd/e3834b_48a7162239e44b06861a5bc336c865c9.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9290/files/vocabulary_words_for_ielts_general_writing.pdf
- https://cdn.shopify.com/s/files/1/0454/6310/9790/files/pedavawaro.pdf
- https://cdn.shopify.com/s/files/1/0431/7131/5876/files/beta_profile_ios_13._1.pdf
- https://cdn.shopify.com/s/files/1/0435/6515/4463/files/89763312970.pdf
- https://cdn.shopify.com/s/files/1/0435/3759/6580/files/acdsee_ultimate_2019_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/0159/3505/files/41014194512.pdf
- https://cdn.shopify.com/s/files/1/0428/2348/3548/files/ziwanuxu.pdf
- https://cdn.shopify.com/s/files/1/0431/0951/5413/files/english_alphabet_writing_practice_book_free_download.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_off0000fb55.bin` `7a1bb2b1f06beca4a037b1f55ddd104bb076d48cf62f1456f032852aa44e3ba8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFB55	5000 bytes
`font_01_sfnt_off00010c56.bin` `449e7a6ee49af2b916401eb153d858fb4064e9c6bc5efcfa321b57e688ad9d88`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10C56	14944 bytes

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