PDF malware analysis — malicious · 308eebe6e4ce1261

MALICIOUS

PDF

39.9 KB Created: 2020-08-22 07:13:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7f037a061815a445666f2e7d60c8a1b2 SHA-1: ea170a0128d688d87d5d201abad240061f62da1e SHA-256: 308eebe6e4ce1261a49ddec84cf828c627b5d60e0869ed893f609ab1815cac5f

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=how+to+make+math+worksheets+on+excel, which is flagged as malicious. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution.

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.ru/pify?keyword=how+to+make+math+worksheets+on+excel
- http://files.hinterlandservices.com.au/uploads/1/3/0/7/130739652/6417667.pdf
- http://files.azracquetball.com/uploads/1/3/1/6/131637186/1122189.pdf
- http://jawubu.evanjosephsalon.com/uploads/1/3/1/6/131606060/dejikoxe-bonudek-peruvonerose.pdf
- http://files.warrior196.org/uploads/1/3/1/3/131384401/7372290.pdf
- http://xogun.serbianheritageacademyofcanada.ca/uploads/1/3/0/7/130776208/507e58109.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85286147205.pdf
- https://cdn.shopify.com/s/files/1/0439/2773/2379/files/agamennone_eschilo.pdf
- https://cdn.shopify.com/s/files/1/0435/9749/6483/files/vixem.pdf
- https://cdn.shopify.com/s/files/1/0428/0349/5071/files/95104803095.pdf
- https://cdn.shopify.com/s/files/1/0429/6130/5756/files/92459363350.pdf
- https://cdn.shopify.com/s/files/1/0450/3810/8830/files/android_adaway_not_working.pdf
- https://cdn.shopify.com/s/files/1/0431/0335/5034/files/jatigekaguvor.pdf
- https://cdn.shopify.com/s/files/1/0432/7381/4182/files/muvaxokuza.pdf
- https://cdn.shopify.com/s/files/1/0431/9592/4640/files/zikex.pdf
- https://cdn.shopify.com/s/files/1/0447/3644/6613/files/hannah_s_bretzel_nutrition.pdf
- https://cdn.shopify.com/s/files/1/0431/7865/5903/files/burma_film_video_songs.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50751207741.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_off00005e7a.bin` `9bdcb156cf3d06085438844c53533f4849b4352493d056afc0ac1706c24c25a8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E7A	5224 bytes
`font_01_sfnt_off00007024.bin` `12ec87786a0ecfdebaa0d85325d8674b4eae2b31190a387ae0c5c3f447978ea4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7024	10068 bytes

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