PDF malware analysis — malicious · 9f835fe8714991a5

MALICIOUS

PDF

46.8 KB Created: 2020-08-14 17:22:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 955b82307218cc199f20f8740c74126b SHA-1: 247ad66573323e7b469e2325fc18ba69e57274a6 SHA-256: 9f835fe8714991a589ce61b36888244cd890d21783ca13aed777b8921fcb5e3b

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, which is further supported by the presence of the URL in the document body. This URL, 'https://ttraff.cc/pify?keyword=collins+english+for+business+speaking+pdf', is likely used to redirect the user to a malicious site. The document also contains a large number of embedded links, many pointing to Shopify domains, suggesting an attempt to disguise malicious content within a seemingly legitimate structure. No scripts were extracted from this sample.

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.cc/pify?keyword=collins+english+for+business+speaking+pdf
- http://files.happyfrogfilms.com/uploads/1/3/0/7/130775286/mosenolerazagadapi.pdf
- https://cdn.shopify.com/s/files/1/0437/2617/6407/files/8904451521.pdf
- https://cdn.shopify.com/s/files/1/0433/3663/0422/files/14051786859.pdf
- https://cdn.shopify.com/s/files/1/0437/1451/1001/files/51094800305.pdf
- https://cdn.shopify.com/s/files/1/0433/9249/9877/files/vinunulejopelejagamukoka.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8947/files/70552947348.pdf
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/jump_manual.pdf
- https://cdn.shopify.com/s/files/1/0440/5598/6341/files/tozojudegigagapitifo.pdf
- https://cdn.shopify.com/s/files/1/0444/1836/7654/files/shylock_agreement_form.pdf
- https://cdn.shopify.com/s/files/1/0431/2793/1029/files/64855616216.pdf
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/zaresunar.pdf
- https://cdn.shopify.com/s/files/1/0439/1839/3499/files/37942841088.pdf
- https://cdn.shopify.com/s/files/1/0430/4479/8613/files/42454079958.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000050c5.bin` `fe8e29f026edc6638d56b2db6e59f707d573bd3e181bc295ced64284af779130`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x50C5	5412 bytes
`font_01_sfnt_off0000630d.bin` `2d4a02105b625024ff9d4126acc605e1ffe76bc7d171ff7e8e58ee39eb2e5eb1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x630D	7148 bytes
`font_02_sfnt_off0000766e.bin` `d34b9ea4f2eacc9074881c573c6787f055efc7b8c8452ec496a818da11965dea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x766E	9976 bytes
`font_03_sfnt_off000098c8.bin` `2998ba902476debafacfaad6f45403e44352055ee498314c2d3a56defa64a2ce`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x98C8	16140 bytes

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