PDF malware analysis — malicious · 384f443c975dd821

MALICIOUS

PDF

45.1 KB Created: 2020-08-29 20:23:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 46120005c7d31c11ae25f9bd1a09b548 SHA-1: 040f9829592838e217217643b582a4d734a44df6 SHA-256: 384f443c975dd821d0555088f7d7fc16bf90ebce610e0b6671cd44379ff94317

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/wix?keyword=wordbrain+elephant+6+answer'. This URL is likely intended to lead the user to a malicious site. The document also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic. The presence of a malicious redirector URL indicates an attempt to lure the user into a harmful environment.

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/wix?keyword=wordbrain+elephant+6+answer
- https://cdn.shopify.com/s/files/1/0432/7813/9556/files/68808047206.pdf
- https://cdn.shopify.com/s/files/1/0450/3673/2566/files/dasaritapeduxo.pdf
- https://cdn.shopify.com/s/files/1/0430/5226/9717/files/7740600027.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8909/files/4675281417.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/lujofarenazebuzonejigeb.pdf
- https://cdn.shopify.com/s/files/1/0430/8307/1642/files/chattanooga_choo_choo_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7218161301.pdf
- https://cdn.shopify.com/s/files/1/0437/1746/0120/files/how_to_combine_files_and_rearrange_pages.pdf
- https://static.usrfiles.com/ugd/b3bc21_72515334235548caa6798b9bea3d3e8b.pdf
- https://static.usrfiles.com/ugd/9e41f0_3b430fbf7643424bafe70c74a2f77ec1.pdf
- https://static.usrfiles.com/ugd/b8c837_235f415b5d794238838a0d95b049f254.pdf
- https://static.usrfiles.com/ugd/b8c837_dc13fbc244d74f92acb39b53a5c5037b.pdf
- https://static.usrfiles.com/ugd/8d57bd_3f75f2009bf24180974f3c4882358eda.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005c9a.bin` `f91a7ba95c5de30afac4ef52dc31403a4f0fe35870d2e3f11720ee6b1f84323d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C9A	3728 bytes
`font_01_sfnt_off000069db.bin` `99fb882c30b1ffccf370c68ee7dac46195be0bcaac8ac98561010baec239f37f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69DB	5448 bytes
`font_02_sfnt_off00007c6f.bin` `155a09222b599d564483a29b88509bbe8aa3f04a017489c785ffc5b60b05ca49`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C6F	13352 bytes

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