MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains text related to 'architectural design books pdf free download' and a URL that appears to be a lure. The presence of a password-protected archive lure suggests an attempt to bypass security controls by encrypting the actual payload. The primary malicious IOC is the redirector URL.
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Embedded URL info EMBEDDED_URLOne 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=architectural+design+books+pdf+free+download
- http://files.horseplayandharmony.com/uploads/1/3/0/9/130969935/5ae28c8d68bd.pdf
- http://files.vgyachtdesign.com/uploads/1/3/1/3/131380107/wixedu_penedojiwenoge_jiwajojifige_fefugipolerereb.pdf
- http://files.unionhillumc.org/uploads/1/3/1/4/131453250/basopotenap.pdf
- http://files.marff.com/uploads/1/3/0/8/130813972/48924ba10f297.pdf
- https://cdn.shopify.com/s/files/1/0436/0775/2861/files/tamofewugovesimewuwipij.pdf
- https://cdn.shopify.com/s/files/1/0440/5084/1750/files/98703122354.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69296453687.pdf
- https://cdn.shopify.com/s/files/1/0438/0655/6320/files/72342126342.pdf
- https://cdn.shopify.com/s/files/1/0428/6939/1527/files/safoxuginexuvunifikopowi.pdf
- https://cdn.shopify.com/s/files/1/0436/8993/5002/files/hardware_acceleration_chrome.pdf
- https://cdn.shopify.com/s/files/1/0431/0768/0405/files/18141070777.pdf
- https://cdn.shopify.com/s/files/1/0437/8319/2727/files/62892571636.pdf
- https://cdn.shopify.com/s/files/1/0434/2376/0536/files/doxigibav.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.pdf
- https://cdn.shopify.com/s/files/1/0436/4887/6702/files/23290750550.pdf
- https://cdn.shopify.com/s/files/1/0432/9861/9557/files/33575020967.pdf
- https://cdn.shopify.com/s/files/1/0429/1543/0559/files/xasudikameferu.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_off00006482.bin9e8c848d051ecd2b2dc5734f22ef5b36347f2942c84492add1c7d176469509a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6482 | 5700 bytes |
font_01_sfnt_off000077ed.binfba16fb7c5cf8a04da81bd6770e528c2ae3a45fe2f6155f0ca19a5d8a952e33b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77ED | 10380 bytes |
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