PDF malware analysis — malicious · 7ff2608214a87962

MALICIOUS

PDF

184.1 KB Created: 2015-08-08 09:59:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6) First seen: 2021-09-15

MD5: 4d1329136a20e3c04dbfcca66c1c50a0 SHA-1: a987b0e3f6f9068a246dac1e0fe7ecf8f59e13f8 SHA-256: 7ff2608214a879624b46ae542f87231362cc8a108f9fc88ec55148a3f43a1301

132 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded links that point to a known malicious redirector. The heuristic firings indicate that these links are designed to lure users, likely for phishing or to download further malicious content. No scripts were extracted, but the presence of redirector links is a strong indicator of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9982

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.
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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 http://botcraftman.ru/?lip&keyword=%D0%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC%D1%8B+%D0%BD%D0%B0+%D1%82%D0%B5%D0%BB%D0%B5%D1%84%D0%BE%D0%BD+7ba&charset=utf-8 In PDF document text
- http://fastpic.ru/In PDF document text
- http://www.liveinternet.ru/clickIn PDF document text
- http://img1.liveinternet.ru/images/attach/c/6//4383/4383762_skachat_film_vuyzhit_posle.pdfIn PDF document text
- http://img1.liveinternet.ru/images/attach/c/6//4383/4383922_kuyz_gumuyruy_poslednyaya_seriya_video.pdfIn PDF document text
- http://img1.liveinternet.ru/images/attach/c/6//4383/4383774_link2sd_plus.pdfIn PDF document text
- http://www.microsoft.com/typography/fonts/In PDF document text
- http://www.microsoft.com/typography/fonts/YouIn PDF document text

Extracted artifacts 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00023ce4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x23CE4	3556 bytes
SHA-256: `880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281`
`font_01_sfnt_off00024a67.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x24A67	14588 bytes
SHA-256: `f1401d9abdf466a7979fcffbeafb999b931ac0f5d2396da55c83fe516e1c90d2`
`font_02_sfnt_off000277cf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x277CF	14644 bytes
SHA-256: `6273f722eb6e5e7344b431e29e38aaa1704be4944f6d8d1f697b80c2eb8ac40a`
`font_03_sfnt_off0002a316.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2A316	6788 bytes
SHA-256: `8354b89cdbda5ace57f6ef6ddab046a8413fb49c4a11e00e8b99f868d6bf7b46`
`font_04_sfnt_off0002b6ad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2B6AD	6084 bytes
SHA-256: `819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3`
`font_05_sfnt_off0002c642.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C642	3752 bytes
SHA-256: `9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e`

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