PDF malware analysis — malicious · b1005f2568bac700

MALICIOUS

PDF

43.1 KB Created: 2020-08-29 13:27:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ea1b5e3493988afa86dffddf97f7d82a SHA-1: dd2601d51f19d3e9bf97bf272d3573c04e185ad3 SHA-256: b1005f2568bac70054371c212b271901e56bb3b92f11c1c69ed68002ce50c2af

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'publisher brochure templates microsoft' and a URL that aligns with the heuristic findings. The presence of a visual download button lure further supports the malicious intent.

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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/wix?keyword=publisher+brochure+templates+microsoft
- https://static.usrfiles.com/ugd/b8c837_d51958e1a64f4430911f6d52c8188b8d.pdf
- https://static.usrfiles.com/ugd/b8c837_0680bb8b033a4a33abcd1ab6170718aa.pdf
- https://static.usrfiles.com/ugd/158fb9_e77eee8d77a84eccb81024e8ca057f6a.pdf
- https://static.usrfiles.com/ugd/b8c837_5428e0bdcff242df9558c1964139c32d.pdf
- https://static.usrfiles.com/ugd/07625c_ed621d3c09f840898914e59ad1c710dc.pdf
- https://static.usrfiles.com/ugd/b8c837_0c283542dd054f8287c4545160b60715.pdf
- https://static.usrfiles.com/ugd/b8c837_cf0d6220e13d49c58033b74ce4b832b3.pdf
- https://static.usrfiles.com/ugd/b8c837_38c8f7ec8ff14a9e93db357aff1485b5.pdf
- https://static.usrfiles.com/ugd/b8c837_603c1f8d26f5401094174002416790d5.pdf
- https://cdn.shopify.com/s/files/1/0437/7097/0263/files/70199364784.pdf
- https://cdn.shopify.com/s/files/1/0431/8163/7794/files/48744951988.pdf
- https://cdn.shopify.com/s/files/1/0429/7529/7689/files/17741600750.pdf
- https://static.usrfiles.com/ugd/b8c837_3ad9e121e30941b399d137c18de57ba9.pdf
- https://static.usrfiles.com/ugd/b8c837_3675fb5c98b3446fbc976eeab6f6743e.pdf
- https://static.usrfiles.com/ugd/b8c837_9c9e79d1581144c1ba5652b781978cfe.pdf
- https://static.usrfiles.com/ugd/b8c837_0dd76032c2fb4879846c6c50cf3f39df.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_off00006839.bin` `f8aa6454c7c3014d9e96a5fcdffea61e5350b0f01760448e2888ad9ca795bf06`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6839	5396 bytes
`font_01_sfnt_off00007a59.bin` `79126fd6d4ce27aa9896a380fbf08ba4c704245a7a962765152c0c99f3ecad03`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A59	11452 bytes

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